mirror of
https://github.com/vlucas/valitron.git
synced 2025-12-30 23:01:52 +00:00
1569 lines
44 KiB
PHP
1569 lines
44 KiB
PHP
<?php
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namespace Valitron;
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/**
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* Validation Class
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*
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* Validates input against certain criteria
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*
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* @package Valitron
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* @author Vance Lucas <vance@vancelucas.com>
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* @link http://www.vancelucas.com/
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*/
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class Validator
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{
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/**
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* @var string
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*/
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const ERROR_DEFAULT = 'Invalid';
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/**
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* @var array
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*/
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protected $_fields = array();
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/**
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* @var array
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*/
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protected $_errors = array();
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/**
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* @var array
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*/
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protected $_validations = array();
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/**
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* @var array
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*/
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protected $_labels = array();
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/**
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* Contains all rules that are available to the current valitron instance.
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*
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* @var array
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*/
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protected $_instanceRules = array();
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/**
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* Contains all rule messages that are available to the current valitron
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* instance
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*
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* @var array
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*/
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protected $_instanceRuleMessage = array();
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/**
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* @var string
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*/
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protected static $_lang;
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/**
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* @var string
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*/
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protected static $_langDir;
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/**
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* @var array
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*/
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protected static $_rules = array();
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/**
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* @var array
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*/
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protected static $_ruleMessages = array();
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/**
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* @var array
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*/
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protected $validUrlPrefixes = array('http://', 'https://', 'ftp://');
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/**
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* @var bool
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*/
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protected $stop_on_first_fail = false;
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/**
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* @var bool
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*/
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protected $prepend_labels = true;
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/**
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* Setup validation
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*
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* @param array $data
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* @param array $fields
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* @param string $lang
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* @param string $langDir
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* @throws \InvalidArgumentException
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*/
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public function __construct($data = array(), $fields = array(), $lang = null, $langDir = null)
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{
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// Allows filtering of used input fields against optional second array of field names allowed
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// This is useful for limiting raw $_POST or $_GET data to only known fields
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$this->_fields = !empty($fields) ? array_intersect_key($data, array_flip($fields)) : $data;
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// set lang in the follow order: constructor param, static::$_lang, default to en
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$lang = $lang ?: static::lang();
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// set langDir in the follow order: constructor param, static::$_langDir, default to package lang dir
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$langDir = $langDir ?: static::langDir();
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// Load language file in directory
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$langFile = rtrim($langDir, '/') . '/' . $lang . '.php';
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if (stream_resolve_include_path($langFile)) {
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$langMessages = include $langFile;
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static::$_ruleMessages = array_merge(static::$_ruleMessages, $langMessages);
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} else {
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throw new \InvalidArgumentException("Fail to load language file '" . $langFile . "'");
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}
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}
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/**
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* Get/set language to use for validation messages
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*
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* @param string $lang
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* @return string
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*/
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public static function lang($lang = null)
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{
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if ($lang !== null) {
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static::$_lang = $lang;
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}
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return static::$_lang ?: 'en';
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}
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/**
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* Get/set language file path
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*
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* @param string $dir
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* @return string
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*/
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public static function langDir($dir = null)
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{
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if ($dir !== null) {
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static::$_langDir = $dir;
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}
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return static::$_langDir ?: dirname(dirname(__DIR__)) . '/lang';
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}
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/**
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* @param bool $prepend_labels
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*/
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public function setPrependLabels($prepend_labels = true)
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{
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$this->prepend_labels = $prepend_labels;
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}
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/**
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* Required field validator
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*
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* @param string $field
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* @param mixed $value
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* @param array $params
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* @return bool
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*/
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protected function validateRequired($field, $value, $params = array())
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{
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if (isset($params[0]) && (bool)$params[0]) {
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$find = $this->getPart($this->_fields, explode('.', $field), true);
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return $find[1];
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}
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if (is_null($value) || (is_string($value) && trim($value) === '')) {
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return false;
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}
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return true;
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}
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/**
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* Validate that two values match
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*
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* @param string $field
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* @param mixed $value
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* @param array $params
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* @return bool
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*/
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protected function validateEquals($field, $value, array $params)
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{
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// extract the second field value, this accounts for nested array values
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list($field2Value, $multiple) = $this->getPart($this->_fields, explode('.', $params[0]));
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return isset($field2Value) && $value == $field2Value;
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}
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/**
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* Validate that a field is different from another field
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*
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* @param string $field
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* @param mixed $value
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* @param array $params
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* @return bool
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*/
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protected function validateDifferent($field, $value, array $params)
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{
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// extract the second field value, this accounts for nested array values
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list($field2Value, $multiple) = $this->getPart($this->_fields, explode('.', $params[0]));
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return isset($field2Value) && $value != $field2Value;
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}
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/**
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* Validate that a field was "accepted" (based on PHP's string evaluation rules)
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*
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* This validation rule implies the field is "required"
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*
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* @param string $field
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* @param mixed $value
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* @return bool
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*/
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protected function validateAccepted($field, $value)
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{
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$acceptable = array('yes', 'on', 1, '1', true);
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return $this->validateRequired($field, $value) && in_array($value, $acceptable, true);
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}
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/**
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* Validate that a field is an array
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*
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* @param string $field
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* @param mixed $value
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* @return bool
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*/
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protected function validateArray($field, $value)
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{
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return is_array($value);
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}
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/**
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* Validate that a field is numeric
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*
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* @param string $field
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* @param mixed $value
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* @return bool
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*/
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protected function validateNumeric($field, $value)
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{
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return is_numeric($value);
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}
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/**
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* Validate that a field is an integer
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*
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* @param string $field
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* @param mixed $value
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* @param array $params
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* @return bool
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*/
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protected function validateInteger($field, $value, $params)
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{
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if (isset($params[0]) && (bool)$params[0]) {
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//strict mode
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return preg_match('/^([0-9]|-[1-9]|-?[1-9][0-9]*)$/i', $value);
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}
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return filter_var($value, \FILTER_VALIDATE_INT) !== false;
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}
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/**
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* Validate the length of a string
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*
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* @param string $field
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* @param mixed $value
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* @param array $params
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* @return bool
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*/
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protected function validateLength($field, $value, $params)
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{
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$length = $this->stringLength($value);
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// Length between
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if (isset($params[1])) {
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return $length >= $params[0] && $length <= $params[1];
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}
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// Length same
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return ($length !== false) && $length == $params[0];
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}
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/**
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* Validate the length of a string (between)
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*
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* @param string $field
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* @param mixed $value
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* @param array $params
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* @return bool
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*/
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protected function validateLengthBetween($field, $value, $params)
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{
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$length = $this->stringLength($value);
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return ($length !== false) && $length >= $params[0] && $length <= $params[1];
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}
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/**
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* Validate the length of a string (min)
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*
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* @param string $field
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* @param mixed $value
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* @param array $params
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*
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* @return bool
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*/
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protected function validateLengthMin($field, $value, $params)
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{
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$length = $this->stringLength($value);
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return ($length !== false) && $length >= $params[0];
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}
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/**
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* Validate the length of a string (max)
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*
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* @param string $field
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* @param mixed $value
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* @param array $params
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*
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* @return bool
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*/
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protected function validateLengthMax($field, $value, $params)
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{
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$length = $this->stringLength($value);
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return ($length !== false) && $length <= $params[0];
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}
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/**
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* Get the length of a string
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*
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* @param string $value
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* @return int|false
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*/
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protected function stringLength($value)
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{
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if (!is_string($value)) {
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return false;
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} elseif (function_exists('mb_strlen')) {
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return mb_strlen($value);
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}
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return strlen($value);
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}
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/**
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* Validate the size of a field is greater than a minimum value.
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*
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* @param string $field
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* @param mixed $value
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* @param array $params
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* @return bool
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*/
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protected function validateMin($field, $value, $params)
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{
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if (!is_numeric($value)) {
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return false;
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} elseif (function_exists('bccomp')) {
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return !(bccomp($params[0], $value, 14) === 1);
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} else {
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return $params[0] <= $value;
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}
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}
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/**
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* Validate the size of a field is less than a maximum value
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*
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* @param string $field
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* @param mixed $value
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* @param array $params
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* @return bool
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*/
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protected function validateMax($field, $value, $params)
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{
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if (!is_numeric($value)) {
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return false;
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} elseif (function_exists('bccomp')) {
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return !(bccomp($value, $params[0], 14) === 1);
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} else {
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return $params[0] >= $value;
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}
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}
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/**
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* Validate the size of a field is between min and max values
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*
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* @param string $field
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* @param mixed $value
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* @param array $params
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* @return bool
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*/
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protected function validateBetween($field, $value, $params)
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{
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if (!is_numeric($value)) {
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return false;
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}
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if (!isset($params[0]) || !is_array($params[0]) || count($params[0]) !== 2) {
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return false;
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}
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list($min, $max) = $params[0];
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return $this->validateMin($field, $value, array($min)) && $this->validateMax($field, $value, array($max));
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}
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/**
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* Validate a field is contained within a list of values
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*
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* @param string $field
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* @param mixed $value
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* @param array $params
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* @return bool
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*/
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protected function validateIn($field, $value, $params)
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{
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$isAssoc = array_values($params[0]) !== $params[0];
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if ($isAssoc) {
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$params[0] = array_keys($params[0]);
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}
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$strict = false;
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if (isset($params[1])) {
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$strict = $params[1];
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}
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return in_array($value, $params[0], $strict);
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}
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/**
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* Validate a field is contained within a list of values
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*
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* @param string $field
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* @param mixed $value
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* @param array $params
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* @return bool
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*/
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protected function validateListContains($field, $value, $params)
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{
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$isAssoc = array_values($value) !== $value;
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if ($isAssoc) {
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$value = array_keys($value);
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}
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$strict = false;
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if (isset($params[1])) {
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$strict = $params[1];
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}
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return in_array($params[0], $value, $strict);
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}
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/**
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* Validate a field is not contained within a list of values
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*
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* @param string $field
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* @param mixed $value
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* @param array $params
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* @return bool
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*/
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protected function validateNotIn($field, $value, $params)
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{
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return !$this->validateIn($field, $value, $params);
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}
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/**
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* Validate a field contains a given string
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*
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* @param string $field
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* @param string $value
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* @param array $params
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* @return bool
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*/
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protected function validateContains($field, $value, $params)
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{
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if (!isset($params[0])) {
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return false;
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}
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if (!is_string($params[0]) || !is_string($value)) {
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return false;
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}
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$strict = true;
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if (isset($params[1])) {
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$strict = (bool)$params[1];
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}
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if ($strict) {
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if (function_exists('mb_strpos')) {
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$isContains = mb_strpos($value, $params[0]) !== false;
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} else {
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$isContains = strpos($value, $params[0]) !== false;
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}
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} else {
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if (function_exists('mb_stripos')) {
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$isContains = mb_stripos($value, $params[0]) !== false;
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} else {
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$isContains = stripos($value, $params[0]) !== false;
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}
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}
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return $isContains;
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}
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/**
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* Validate that all field values contains a given array
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*
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* @param string $field
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* @param array $value
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* @param array $params
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* @return bool
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*/
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protected function validateSubset($field, $value, $params)
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{
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if (!isset($params[0])) {
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return false;
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}
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if (!is_array($params[0])) {
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$params[0] = array($params[0]);
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}
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if (is_scalar($value) || is_null($value)) {
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return $this->validateIn($field, $value, $params);
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}
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$intersect = array_intersect($value, $params[0]);
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return array_diff($value, $intersect) === array_diff($intersect, $value);
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}
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/**
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* Validate that field array has only unique values
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*
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* @param string $field
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* @param array $value
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* @return bool
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*/
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protected function validateContainsUnique($field, $value)
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{
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if (!is_array($value)) {
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return false;
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}
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return $value === array_unique($value, SORT_REGULAR);
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}
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/**
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* Validate that a field is a valid IP address
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*
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* @param string $field
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* @param mixed $value
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* @return bool
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*/
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protected function validateIp($field, $value)
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{
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return filter_var($value, \FILTER_VALIDATE_IP) !== false;
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}
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/**
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* Validate that a field is a valid IP v4 address
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*
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* @param string $field
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* @param mixed $value
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* @return bool
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*/
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protected function validateIpv4($field, $value)
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{
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return filter_var($value, \FILTER_VALIDATE_IP, \FILTER_FLAG_IPV4) !== false;
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}
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/**
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* Validate that a field is a valid IP v6 address
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*
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* @param string $field
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* @param mixed $value
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* @return bool
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*/
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protected function validateIpv6($field, $value)
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{
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return filter_var($value, \FILTER_VALIDATE_IP, \FILTER_FLAG_IPV6) !== false;
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}
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/**
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* Validate that a field is a valid e-mail address
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*
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* @param string $field
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* @param mixed $value
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* @return bool
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*/
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protected function validateEmail($field, $value)
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{
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return filter_var($value, \FILTER_VALIDATE_EMAIL) !== false;
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}
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/**
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* Validate that a field contains only ASCII characters
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*
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* @param $field
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* @param $value
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* @return bool|false|string
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*/
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protected function validateAscii($field, $value)
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{
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// multibyte extension needed
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if (function_exists('mb_detect_encoding')) {
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return mb_detect_encoding($value, 'ASCII', true);
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}
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// fallback with regex
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|
return 0 === preg_match('/[^\x00-\x7F]/', $value);
|
|
}
|
|
|
|
/**
|
|
* Validate that a field is a valid e-mail address and the domain name is active
|
|
*
|
|
* @param string $field
|
|
* @param mixed $value
|
|
* @return bool
|
|
*/
|
|
protected function validateEmailDNS($field, $value)
|
|
{
|
|
if ($this->validateEmail($field, $value)) {
|
|
$domain = ltrim(stristr($value, '@'), '@') . '.';
|
|
if (function_exists('idn_to_ascii') && defined('INTL_IDNA_VARIANT_UTS46')) {
|
|
$domain = idn_to_ascii($domain, 0, INTL_IDNA_VARIANT_UTS46);
|
|
}
|
|
return checkdnsrr($domain, 'ANY');
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Validate that a field is a valid URL by syntax
|
|
*
|
|
* @param string $field
|
|
* @param mixed $value
|
|
* @return bool
|
|
*/
|
|
protected function validateUrl($field, $value)
|
|
{
|
|
foreach ($this->validUrlPrefixes as $prefix) {
|
|
if (strpos($value, $prefix) !== false) {
|
|
return filter_var($value, \FILTER_VALIDATE_URL) !== false;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Validate that a field is an active URL by verifying DNS record
|
|
*
|
|
* @param string $field
|
|
* @param mixed $value
|
|
* @return bool
|
|
*/
|
|
protected function validateUrlActive($field, $value)
|
|
{
|
|
foreach ($this->validUrlPrefixes as $prefix) {
|
|
if (strpos($value, $prefix) !== false) {
|
|
$host = parse_url(strtolower($value), PHP_URL_HOST);
|
|
|
|
return checkdnsrr($host, 'A') || checkdnsrr($host, 'AAAA') || checkdnsrr($host, 'CNAME');
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Validate that a field contains only alphabetic characters
|
|
*
|
|
* @param string $field
|
|
* @param mixed $value
|
|
* @return bool
|
|
*/
|
|
protected function validateAlpha($field, $value)
|
|
{
|
|
return preg_match('/^([a-z])+$/i', $value);
|
|
}
|
|
|
|
/**
|
|
* Validate that a field contains only alpha-numeric characters
|
|
*
|
|
* @param string $field
|
|
* @param mixed $value
|
|
* @return bool
|
|
*/
|
|
protected function validateAlphaNum($field, $value)
|
|
{
|
|
return preg_match('/^([a-z0-9])+$/i', $value);
|
|
}
|
|
|
|
/**
|
|
* Validate that a field contains only alpha-numeric characters, dashes, and underscores
|
|
*
|
|
* @param string $field
|
|
* @param mixed $value
|
|
* @return bool
|
|
*/
|
|
protected function validateSlug($field, $value)
|
|
{
|
|
if (is_array($value)) {
|
|
return false;
|
|
}
|
|
return preg_match('/^([-a-z0-9_-])+$/i', $value);
|
|
}
|
|
|
|
/**
|
|
* Validate that a field passes a regular expression check
|
|
*
|
|
* @param string $field
|
|
* @param mixed $value
|
|
* @param array $params
|
|
* @return bool
|
|
*/
|
|
protected function validateRegex($field, $value, $params)
|
|
{
|
|
return preg_match($params[0], $value);
|
|
}
|
|
|
|
/**
|
|
* Validate that a field is a valid date
|
|
*
|
|
* @param string $field
|
|
* @param mixed $value
|
|
* @return bool
|
|
*/
|
|
protected function validateDate($field, $value)
|
|
{
|
|
$isDate = false;
|
|
if ($value instanceof \DateTime) {
|
|
$isDate = true;
|
|
} else {
|
|
$isDate = strtotime($value) !== false;
|
|
}
|
|
|
|
return $isDate;
|
|
}
|
|
|
|
/**
|
|
* Validate that a field matches a date format
|
|
*
|
|
* @param string $field
|
|
* @param mixed $value
|
|
* @param array $params
|
|
* @return bool
|
|
*/
|
|
protected function validateDateFormat($field, $value, $params)
|
|
{
|
|
$parsed = date_parse_from_format($params[0], $value);
|
|
|
|
return $parsed['error_count'] === 0 && $parsed['warning_count'] === 0;
|
|
}
|
|
|
|
/**
|
|
* Validate the date is before a given date
|
|
*
|
|
* @param string $field
|
|
* @param mixed $value
|
|
* @param array $params
|
|
* @return bool
|
|
*/
|
|
protected function validateDateBefore($field, $value, $params)
|
|
{
|
|
$vtime = ($value instanceof \DateTime) ? $value->getTimestamp() : strtotime($value);
|
|
$ptime = ($params[0] instanceof \DateTime) ? $params[0]->getTimestamp() : strtotime($params[0]);
|
|
|
|
return $vtime < $ptime;
|
|
}
|
|
|
|
/**
|
|
* Validate the date is after a given date
|
|
*
|
|
* @param string $field
|
|
* @param mixed $value
|
|
* @param array $params
|
|
* @return bool
|
|
*/
|
|
protected function validateDateAfter($field, $value, $params)
|
|
{
|
|
$vtime = ($value instanceof \DateTime) ? $value->getTimestamp() : strtotime($value);
|
|
$ptime = ($params[0] instanceof \DateTime) ? $params[0]->getTimestamp() : strtotime($params[0]);
|
|
|
|
return $vtime > $ptime;
|
|
}
|
|
|
|
/**
|
|
* Validate that a field contains a boolean.
|
|
*
|
|
* @param string $field
|
|
* @param mixed $value
|
|
* @return bool
|
|
*/
|
|
protected function validateBoolean($field, $value)
|
|
{
|
|
return is_bool($value);
|
|
}
|
|
|
|
/**
|
|
* Validate that a field contains a valid credit card
|
|
* optionally filtered by an array
|
|
*
|
|
* @param string $field
|
|
* @param mixed $value
|
|
* @param array $params
|
|
* @return bool
|
|
*/
|
|
protected function validateCreditCard($field, $value, $params)
|
|
{
|
|
/**
|
|
* I there has been an array of valid cards supplied, or the name of the users card
|
|
* or the name and an array of valid cards
|
|
*/
|
|
if (!empty($params)) {
|
|
/**
|
|
* array of valid cards
|
|
*/
|
|
if (is_array($params[0])) {
|
|
$cards = $params[0];
|
|
} elseif (is_string($params[0])) {
|
|
$cardType = $params[0];
|
|
if (isset($params[1]) && is_array($params[1])) {
|
|
$cards = $params[1];
|
|
if (!in_array($cardType, $cards)) {
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
/**
|
|
* Luhn algorithm
|
|
*
|
|
* @return bool
|
|
*/
|
|
$numberIsValid = function () use ($value) {
|
|
$number = preg_replace('/[^0-9]+/', '', $value);
|
|
$sum = 0;
|
|
|
|
$strlen = strlen($number);
|
|
if ($strlen < 13) {
|
|
return false;
|
|
}
|
|
for ($i = 0; $i < $strlen; $i++) {
|
|
$digit = (int)substr($number, $strlen - $i - 1, 1);
|
|
if ($i % 2 == 1) {
|
|
$sub_total = $digit * 2;
|
|
if ($sub_total > 9) {
|
|
$sub_total = ($sub_total - 10) + 1;
|
|
}
|
|
} else {
|
|
$sub_total = $digit;
|
|
}
|
|
$sum += $sub_total;
|
|
}
|
|
if ($sum > 0 && $sum % 10 == 0) {
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
};
|
|
|
|
if ($numberIsValid()) {
|
|
if (!isset($cards)) {
|
|
return true;
|
|
} else {
|
|
$cardRegex = array(
|
|
'visa' => '#^4[0-9]{12}(?:[0-9]{3})?$#',
|
|
'mastercard' => '#^(5[1-5]|2[2-7])[0-9]{14}$#',
|
|
'amex' => '#^3[47][0-9]{13}$#',
|
|
'dinersclub' => '#^3(?:0[0-5]|[68][0-9])[0-9]{11}$#',
|
|
'discover' => '#^6(?:011|5[0-9]{2})[0-9]{12}$#',
|
|
);
|
|
|
|
if (isset($cardType)) {
|
|
// if we don't have any valid cards specified and the card we've been given isn't in our regex array
|
|
if (!isset($cards) && !in_array($cardType, array_keys($cardRegex))) {
|
|
return false;
|
|
}
|
|
|
|
// we only need to test against one card type
|
|
return (preg_match($cardRegex[$cardType], $value) === 1);
|
|
|
|
} elseif (isset($cards)) {
|
|
// if we have cards, check our users card against only the ones we have
|
|
foreach ($cards as $card) {
|
|
if (in_array($card, array_keys($cardRegex)) && preg_match($cardRegex[$card], $value) === 1) {
|
|
// if the card is valid, we want to stop looping
|
|
return true;
|
|
}
|
|
}
|
|
} else {
|
|
// loop through every card
|
|
foreach ($cardRegex as $regex) {
|
|
// until we find a valid one
|
|
if (preg_match($regex, $value) === 1) {
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// if we've got this far, the card has passed no validation so it's invalid!
|
|
return false;
|
|
}
|
|
|
|
protected function validateInstanceOf($field, $value, $params)
|
|
{
|
|
$isInstanceOf = false;
|
|
if (is_object($value)) {
|
|
if (is_object($params[0]) && $value instanceof $params[0]) {
|
|
$isInstanceOf = true;
|
|
}
|
|
if (get_class($value) === $params[0]) {
|
|
$isInstanceOf = true;
|
|
}
|
|
}
|
|
if (is_string($value)) {
|
|
if (is_string($params[0]) && get_class($value) === $params[0]) {
|
|
$isInstanceOf = true;
|
|
}
|
|
}
|
|
|
|
return $isInstanceOf;
|
|
}
|
|
|
|
/**
|
|
* Validates whether or not a field is required based on whether or not other fields are present.
|
|
*
|
|
* @param string $field name of the field in the data array
|
|
* @param mixed $value value of this field
|
|
* @param array $params parameters for this rule
|
|
* @param array $fields full list of data to be validated
|
|
* @return bool
|
|
*/
|
|
protected function validateRequiredWith($field, $value, $params, $fields)
|
|
{
|
|
$conditionallyReq = false;
|
|
// if we actually have conditionally required with fields to check against
|
|
if (isset($params[0])) {
|
|
// convert single value to array if it isn't already
|
|
$reqParams = is_array($params[0]) ? $params[0] : array($params[0]);
|
|
// check for the flag indicating if all fields are required
|
|
$allRequired = isset($params[1]) && (bool)$params[1];
|
|
$emptyFields = 0;
|
|
foreach ($reqParams as $requiredField) {
|
|
// check the field is set, not null, and not the empty string
|
|
if (isset($fields[$requiredField]) && !is_null($fields[$requiredField])
|
|
&& (is_string($fields[$requiredField]) ? trim($fields[$requiredField]) !== '' : true)) {
|
|
if (!$allRequired) {
|
|
$conditionallyReq = true;
|
|
break;
|
|
} else {
|
|
$emptyFields++;
|
|
}
|
|
}
|
|
}
|
|
// if all required fields are present in strict mode, we're requiring it
|
|
if ($allRequired && $emptyFields === count($reqParams)) {
|
|
$conditionallyReq = true;
|
|
}
|
|
}
|
|
// if we have conditionally required fields
|
|
if ($conditionallyReq && (is_null($value) ||
|
|
is_string($value) && trim($value) === '')) {
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Validates whether or not a field is required based on whether or not other fields are present.
|
|
*
|
|
* @param string $field name of the field in the data array
|
|
* @param mixed $value value of this field
|
|
* @param array $params parameters for this rule
|
|
* @param array $fields full list of data to be validated
|
|
* @return bool
|
|
*/
|
|
protected function validateRequiredWithout($field, $value, $params, $fields)
|
|
{
|
|
$conditionallyReq = false;
|
|
// if we actually have conditionally required with fields to check against
|
|
if (isset($params[0])) {
|
|
// convert single value to array if it isn't already
|
|
$reqParams = is_array($params[0]) ? $params[0] : array($params[0]);
|
|
// check for the flag indicating if all fields are required
|
|
$allEmpty = isset($params[1]) && (bool)$params[1];
|
|
$filledFields = 0;
|
|
foreach ($reqParams as $requiredField) {
|
|
// check the field is NOT set, null, or the empty string, in which case we are requiring this value be present
|
|
if (!isset($fields[$requiredField]) || (is_null($fields[$requiredField])
|
|
|| (is_string($fields[$requiredField]) && trim($fields[$requiredField]) === ''))) {
|
|
if (!$allEmpty) {
|
|
$conditionallyReq = true;
|
|
break;
|
|
} else {
|
|
$filledFields++;
|
|
}
|
|
}
|
|
}
|
|
// if all fields were empty, then we're requiring this in strict mode
|
|
if ($allEmpty && $filledFields === count($reqParams)) {
|
|
$conditionallyReq = true;
|
|
}
|
|
}
|
|
// if we have conditionally required fields
|
|
if ($conditionallyReq && (is_null($value) ||
|
|
is_string($value) && trim($value) === '')) {
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Validate optional field
|
|
*
|
|
* @param $field
|
|
* @param $value
|
|
* @param $params
|
|
* @return bool
|
|
*/
|
|
protected function validateOptional($field, $value, $params)
|
|
{
|
|
//Always return true
|
|
return true;
|
|
}
|
|
|
|
protected function validateArrayHasKeys($field, $value, $params)
|
|
{
|
|
if (!is_array($value) || !isset($params[0])) {
|
|
return false;
|
|
}
|
|
$requiredFields = $params[0];
|
|
if (count($requiredFields) === 0) {
|
|
return false;
|
|
}
|
|
foreach ($requiredFields as $fieldName) {
|
|
if (!array_key_exists($fieldName, $value)) {
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Get array of fields and data
|
|
*
|
|
* @return array
|
|
*/
|
|
public function data()
|
|
{
|
|
return $this->_fields;
|
|
}
|
|
|
|
/**
|
|
* Get array of error messages
|
|
*
|
|
* @param null|string $field
|
|
* @return array|bool
|
|
*/
|
|
public function errors($field = null)
|
|
{
|
|
if ($field !== null) {
|
|
return isset($this->_errors[$field]) ? $this->_errors[$field] : false;
|
|
}
|
|
|
|
return $this->_errors;
|
|
}
|
|
|
|
/**
|
|
* Add an error to error messages array
|
|
*
|
|
* @param string $field
|
|
* @param string $message
|
|
* @param array $params
|
|
*/
|
|
public function error($field, $message, array $params = array())
|
|
{
|
|
$message = $this->checkAndSetLabel($field, $message, $params);
|
|
|
|
$values = array();
|
|
// Printed values need to be in string format
|
|
foreach ($params as $param) {
|
|
if (is_array($param)) {
|
|
$param = "['" . implode("', '", $param) . "']";
|
|
}
|
|
if ($param instanceof \DateTime) {
|
|
$param = $param->format('Y-m-d');
|
|
} else {
|
|
if (is_object($param)) {
|
|
$param = get_class($param);
|
|
}
|
|
}
|
|
// Use custom label instead of field name if set
|
|
if (is_string($params[0]) && isset($this->_labels[$param])) {
|
|
$param = $this->_labels[$param];
|
|
}
|
|
$values[] = $param;
|
|
}
|
|
|
|
$this->_errors[$field][] = vsprintf($message, $values);
|
|
}
|
|
|
|
/**
|
|
* Specify validation message to use for error for the last validation rule
|
|
*
|
|
* @param string $message
|
|
* @return Validator
|
|
*/
|
|
public function message($message)
|
|
{
|
|
$this->_validations[count($this->_validations) - 1]['message'] = $message;
|
|
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Reset object properties
|
|
*/
|
|
public function reset()
|
|
{
|
|
$this->_fields = array();
|
|
$this->_errors = array();
|
|
$this->_validations = array();
|
|
$this->_labels = array();
|
|
}
|
|
|
|
protected function getPart($data, $identifiers, $allow_empty = false)
|
|
{
|
|
// Catches the case where the field is an array of discrete values
|
|
if (is_array($identifiers) && count($identifiers) === 0) {
|
|
return array($data, false);
|
|
}
|
|
// Catches the case where the data isn't an array or object
|
|
if (is_scalar($data)) {
|
|
return array(null, false);
|
|
}
|
|
$identifier = array_shift($identifiers);
|
|
// Glob match
|
|
if ($identifier === '*') {
|
|
$values = array();
|
|
foreach ($data as $row) {
|
|
list($value, $multiple) = $this->getPart($row, $identifiers, $allow_empty);
|
|
if ($multiple) {
|
|
$values = array_merge($values, $value);
|
|
} else {
|
|
$values[] = $value;
|
|
}
|
|
}
|
|
return array($values, true);
|
|
} // Dead end, abort
|
|
elseif ($identifier === null || ! isset($data[$identifier])) {
|
|
if ($allow_empty){
|
|
//when empty values are allowed, we only care if the key exists
|
|
return array(null, array_key_exists($identifier, $data));
|
|
}
|
|
return array(null, false);
|
|
} // Match array element
|
|
elseif (count($identifiers) === 0) {
|
|
if ($allow_empty) {
|
|
//when empty values are allowed, we only care if the key exists
|
|
return array(null, array_key_exists($identifier, $data));
|
|
}
|
|
return array($data[$identifier], $allow_empty);
|
|
} // We need to go deeper
|
|
else {
|
|
return $this->getPart($data[$identifier], $identifiers, $allow_empty);
|
|
}
|
|
}
|
|
|
|
private function validationMustBeExcecuted($validation, $field, $values, $multiple){
|
|
//always excecute requiredWith(out) rules
|
|
if (in_array($validation['rule'], array('requiredWith', 'requiredWithout'))){
|
|
return true;
|
|
}
|
|
|
|
//do not execute if the field is optional and not set
|
|
if($this->hasRule('optional', $field) && ! isset($values)){
|
|
return false;
|
|
}
|
|
|
|
//ignore empty input, except for required and accepted rule
|
|
if (! $this->hasRule('required', $field) && ! in_array($validation['rule'], array('required', 'accepted'))){
|
|
if($multiple){
|
|
return count($values) != 0;
|
|
}
|
|
return (isset($values) && $values !== '');
|
|
}
|
|
|
|
return true;
|
|
}
|
|
/**
|
|
* Run validations and return boolean result
|
|
*
|
|
* @return bool
|
|
*/
|
|
public function validate()
|
|
{
|
|
$set_to_break = false;
|
|
foreach ($this->_validations as $v) {
|
|
foreach ($v['fields'] as $field) {
|
|
list($values, $multiple) = $this->getPart($this->_fields, explode('.', $field), false);
|
|
|
|
if (! $this->validationMustBeExcecuted($v, $field, $values, $multiple)){
|
|
continue;
|
|
}
|
|
|
|
// Callback is user-specified or assumed method on class
|
|
$errors = $this->getRules();
|
|
if (isset($errors[$v['rule']])) {
|
|
$callback = $errors[$v['rule']];
|
|
} else {
|
|
$callback = array($this, 'validate' . ucfirst($v['rule']));
|
|
}
|
|
|
|
if (!$multiple) {
|
|
$values = array($values);
|
|
} else if (! $this->hasRule('required', $field)){
|
|
$values = array_filter($values);
|
|
}
|
|
|
|
$result = true;
|
|
foreach ($values as $value) {
|
|
$result = $result && call_user_func($callback, $field, $value, $v['params'], $this->_fields);
|
|
}
|
|
|
|
if (!$result) {
|
|
$this->error($field, $v['message'], $v['params']);
|
|
if ($this->stop_on_first_fail) {
|
|
$set_to_break = true;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
if ($set_to_break) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
return count($this->errors()) === 0;
|
|
}
|
|
|
|
/**
|
|
* Should the validation stop a rule is failed
|
|
* @param bool $stop
|
|
*/
|
|
public function stopOnFirstFail($stop = true)
|
|
{
|
|
$this->stop_on_first_fail = (bool)$stop;
|
|
}
|
|
|
|
/**
|
|
* Returns all rule callbacks, the static and instance ones.
|
|
*
|
|
* @return array
|
|
*/
|
|
protected function getRules()
|
|
{
|
|
return array_merge($this->_instanceRules, static::$_rules);
|
|
}
|
|
|
|
/**
|
|
* Returns all rule message, the static and instance ones.
|
|
*
|
|
* @return array
|
|
*/
|
|
protected function getRuleMessages()
|
|
{
|
|
return array_merge($this->_instanceRuleMessage, static::$_ruleMessages);
|
|
}
|
|
|
|
/**
|
|
* Determine whether a field is being validated by the given rule.
|
|
*
|
|
* @param string $name The name of the rule
|
|
* @param string $field The name of the field
|
|
* @return bool
|
|
*/
|
|
protected function hasRule($name, $field)
|
|
{
|
|
foreach ($this->_validations as $validation) {
|
|
if ($validation['rule'] == $name && in_array($field, $validation['fields'])) {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
protected static function assertRuleCallback($callback)
|
|
{
|
|
if (!is_callable($callback)) {
|
|
throw new \InvalidArgumentException(
|
|
'Second argument must be a valid callback. Given argument was not callable.'
|
|
);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Adds a new validation rule callback that is tied to the current
|
|
* instance only.
|
|
*
|
|
* @param string $name
|
|
* @param callable $callback
|
|
* @param string $message
|
|
* @throws \InvalidArgumentException
|
|
*/
|
|
public function addInstanceRule($name, $callback, $message = null)
|
|
{
|
|
static::assertRuleCallback($callback);
|
|
|
|
$this->_instanceRules[$name] = $callback;
|
|
$this->_instanceRuleMessage[$name] = $message;
|
|
}
|
|
|
|
/**
|
|
* Register new validation rule callback
|
|
*
|
|
* @param string $name
|
|
* @param callable $callback
|
|
* @param string $message
|
|
* @throws \InvalidArgumentException
|
|
*/
|
|
public static function addRule($name, $callback, $message = null)
|
|
{
|
|
if ($message === null) {
|
|
$message = static::ERROR_DEFAULT;
|
|
}
|
|
|
|
static::assertRuleCallback($callback);
|
|
|
|
static::$_rules[$name] = $callback;
|
|
static::$_ruleMessages[$name] = $message;
|
|
}
|
|
|
|
/**
|
|
* @param mixed $fields
|
|
* @return string
|
|
*/
|
|
public function getUniqueRuleName($fields)
|
|
{
|
|
if (is_array($fields)) {
|
|
$fields = implode("_", $fields);
|
|
}
|
|
|
|
$orgName = "{$fields}_rule";
|
|
$name = $orgName;
|
|
$rules = $this->getRules();
|
|
while (isset($rules[$name])) {
|
|
$name = $orgName . "_" . rand(0, 10000);
|
|
}
|
|
|
|
return $name;
|
|
}
|
|
|
|
/**
|
|
* Returns true if either a validator with the given name has been
|
|
* registered or there is a default validator by that name.
|
|
*
|
|
* @param string $name
|
|
* @return bool
|
|
*/
|
|
public function hasValidator($name)
|
|
{
|
|
$rules = $this->getRules();
|
|
return method_exists($this, "validate" . ucfirst($name))
|
|
|| isset($rules[$name]);
|
|
}
|
|
|
|
/**
|
|
* Convenience method to add a single validation rule
|
|
*
|
|
* @param string|callable $rule
|
|
* @param array|string $fields
|
|
* @return Validator
|
|
* @throws \InvalidArgumentException
|
|
*/
|
|
public function rule($rule, $fields)
|
|
{
|
|
// Get any other arguments passed to function
|
|
$params = array_slice(func_get_args(), 2);
|
|
|
|
if (is_callable($rule)
|
|
&& !(is_string($rule) && $this->hasValidator($rule))) {
|
|
$name = $this->getUniqueRuleName($fields);
|
|
$message = isset($params[0]) ? $params[0] : null;
|
|
$this->addInstanceRule($name, $rule, $message);
|
|
$rule = $name;
|
|
}
|
|
|
|
$errors = $this->getRules();
|
|
if (!isset($errors[$rule])) {
|
|
$ruleMethod = 'validate' . ucfirst($rule);
|
|
if (!method_exists($this, $ruleMethod)) {
|
|
throw new \InvalidArgumentException(
|
|
"Rule '" . $rule . "' has not been registered with " . get_called_class() . "::addRule()."
|
|
);
|
|
}
|
|
}
|
|
|
|
// Ensure rule has an accompanying message
|
|
$messages = $this->getRuleMessages();
|
|
$message = isset($messages[$rule]) ? $messages[$rule] : self::ERROR_DEFAULT;
|
|
|
|
// Ensure message contains field label
|
|
if (function_exists('mb_strpos')) {
|
|
$notContains = mb_strpos($message, '{field}') === false;
|
|
} else {
|
|
$notContains = strpos($message, '{field}') === false;
|
|
}
|
|
if ($notContains) {
|
|
$message = '{field} ' . $message;
|
|
}
|
|
|
|
$this->_validations[] = array(
|
|
'rule' => $rule,
|
|
'fields' => (array)$fields,
|
|
'params' => (array)$params,
|
|
'message' => $message
|
|
);
|
|
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Add label to rule
|
|
*
|
|
* @param string $value
|
|
* @return Validator
|
|
*/
|
|
public function label($value)
|
|
{
|
|
$lastRules = $this->_validations[count($this->_validations) - 1]['fields'];
|
|
$this->labels(array($lastRules[0] => $value));
|
|
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Add labels to rules
|
|
*
|
|
* @param array $labels
|
|
* @return Validator
|
|
*/
|
|
public function labels($labels = array())
|
|
{
|
|
$this->_labels = array_merge($this->_labels, $labels);
|
|
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* @param string $field
|
|
* @param string $message
|
|
* @param array $params
|
|
* @return array
|
|
*/
|
|
protected function checkAndSetLabel($field, $message, $params)
|
|
{
|
|
if (isset($this->_labels[$field])) {
|
|
$message = str_replace('{field}', $this->_labels[$field], $message);
|
|
|
|
if (is_array($params)) {
|
|
$i = 1;
|
|
foreach ($params as $k => $v) {
|
|
$tag = '{field' . $i . '}';
|
|
$label = isset($params[$k]) && (is_numeric($params[$k]) || is_string($params[$k])) && isset($this->_labels[$params[$k]]) ? $this->_labels[$params[$k]] : $tag;
|
|
$message = str_replace($tag, $label, $message);
|
|
$i++;
|
|
}
|
|
}
|
|
} else {
|
|
$message = $this->prepend_labels
|
|
? str_replace('{field}', ucwords(str_replace('_', ' ', $field)), $message)
|
|
: str_replace('{field} ', '', $message);
|
|
}
|
|
|
|
return $message;
|
|
}
|
|
|
|
/**
|
|
* Convenience method to add multiple validation rules with an array
|
|
*
|
|
* @param array $rules
|
|
*/
|
|
public function rules($rules)
|
|
{
|
|
foreach ($rules as $ruleType => $params) {
|
|
if (is_array($params)) {
|
|
foreach ($params as $innerParams) {
|
|
if (!is_array($innerParams)) {
|
|
$innerParams = (array)$innerParams;
|
|
}
|
|
array_unshift($innerParams, $ruleType);
|
|
call_user_func_array(array($this, 'rule'), $innerParams);
|
|
}
|
|
} else {
|
|
$this->rule($ruleType, $params);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Replace data on cloned instance
|
|
*
|
|
* @param array $data
|
|
* @param array $fields
|
|
* @return Validator
|
|
*/
|
|
public function withData($data, $fields = array())
|
|
{
|
|
$clone = clone $this;
|
|
$clone->_fields = !empty($fields) ? array_intersect_key($data, array_flip($fields)) : $data;
|
|
$clone->_errors = array();
|
|
return $clone;
|
|
}
|
|
|
|
/**
|
|
* Convenience method to add validation rule(s) by field
|
|
*
|
|
* @param string $field
|
|
* @param array $rules
|
|
*/
|
|
public function mapFieldRules($field, $rules)
|
|
{
|
|
$me = $this;
|
|
|
|
array_map(function ($rule) use ($field, $me) {
|
|
|
|
//rule must be an array
|
|
$rule = (array)$rule;
|
|
|
|
//First element is the name of the rule
|
|
$ruleName = array_shift($rule);
|
|
|
|
//find a custom message, if any
|
|
$message = null;
|
|
if (isset($rule['message'])) {
|
|
$message = $rule['message'];
|
|
unset($rule['message']);
|
|
}
|
|
//Add the field and additional parameters to the rule
|
|
$added = call_user_func_array(array($me, 'rule'), array_merge(array($ruleName, $field), $rule));
|
|
if (!empty($message)) {
|
|
$added->message($message);
|
|
}
|
|
}, (array)$rules);
|
|
}
|
|
|
|
/**
|
|
* Convenience method to add validation rule(s) for multiple fields
|
|
*
|
|
* @param array $rules
|
|
*/
|
|
public function mapFieldsRules($rules)
|
|
{
|
|
$me = $this;
|
|
array_map(function ($field) use ($rules, $me) {
|
|
$me->mapFieldRules($field, $rules[$field]);
|
|
}, array_keys($rules));
|
|
}
|
|
}
|