817 lines
18 KiB
PHP
817 lines
18 KiB
PHP
![]() |
<?php defined('SYSPATH') OR die('No direct access allowed.');
|
||
|
/**
|
||
|
* Validation library.
|
||
|
*
|
||
|
* $Id: Validation.php 4713 2009-12-10 22:25:38Z isaiah $
|
||
|
*
|
||
|
* @package Validation
|
||
|
* @author Kohana Team
|
||
|
* @copyright (c) 2007-2009 Kohana Team
|
||
|
* @license http://kohanaphp.com/license
|
||
|
*/
|
||
|
class Validation_Core extends ArrayObject {
|
||
|
|
||
|
// Filters
|
||
|
protected $pre_filters = array();
|
||
|
protected $post_filters = array();
|
||
|
|
||
|
// Rules and callbacks
|
||
|
protected $rules = array();
|
||
|
protected $callbacks = array();
|
||
|
|
||
|
// Rules that are allowed to run on empty fields
|
||
|
protected $empty_rules = array('required', 'matches');
|
||
|
|
||
|
// Errors
|
||
|
protected $errors = array();
|
||
|
protected $messages = array();
|
||
|
|
||
|
// Field labels
|
||
|
protected $labels = array();
|
||
|
|
||
|
// Fields that are expected to be arrays
|
||
|
protected $array_fields = array();
|
||
|
|
||
|
/**
|
||
|
* Creates a new Validation instance.
|
||
|
*
|
||
|
* @param array array to use for validation
|
||
|
* @return object
|
||
|
*/
|
||
|
public static function factory(array $array)
|
||
|
{
|
||
|
return new Validation($array);
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Sets the unique "any field" key and creates an ArrayObject from the
|
||
|
* passed array.
|
||
|
*
|
||
|
* @param array array to validate
|
||
|
* @return void
|
||
|
*/
|
||
|
public function __construct(array $array)
|
||
|
{
|
||
|
parent::__construct($array, ArrayObject::ARRAY_AS_PROPS | ArrayObject::STD_PROP_LIST);
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Magic clone method, clears errors and messages.
|
||
|
*
|
||
|
* @return void
|
||
|
*/
|
||
|
public function __clone()
|
||
|
{
|
||
|
$this->errors = array();
|
||
|
$this->messages = array();
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Create a copy of the current validation rules and change the array.
|
||
|
*
|
||
|
* @chainable
|
||
|
* @param array new array to validate
|
||
|
* @return Validation
|
||
|
*/
|
||
|
public function copy(array $array)
|
||
|
{
|
||
|
$copy = clone $this;
|
||
|
|
||
|
$copy->exchangeArray($array);
|
||
|
|
||
|
return $copy;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Returns an array of all the field names that have filters, rules, or callbacks.
|
||
|
*
|
||
|
* @return array
|
||
|
*/
|
||
|
public function field_names()
|
||
|
{
|
||
|
// All the fields that are being validated
|
||
|
$fields = array_keys(array_merge
|
||
|
(
|
||
|
$this->pre_filters,
|
||
|
$this->rules,
|
||
|
$this->callbacks,
|
||
|
$this->post_filters
|
||
|
));
|
||
|
|
||
|
// Remove wildcard fields
|
||
|
$fields = array_diff($fields, array('*'));
|
||
|
|
||
|
return $fields;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Returns the array values of the current object.
|
||
|
*
|
||
|
* @return array
|
||
|
*/
|
||
|
public function as_array()
|
||
|
{
|
||
|
return $this->getArrayCopy();
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Returns the ArrayObject values, removing all inputs without rules.
|
||
|
* To choose specific inputs, list the field name as arguments.
|
||
|
*
|
||
|
* @param boolean return only fields with filters, rules, and callbacks
|
||
|
* @return array
|
||
|
*/
|
||
|
public function safe_array()
|
||
|
{
|
||
|
// Load choices
|
||
|
$choices = func_get_args();
|
||
|
$choices = empty($choices) ? NULL : array_combine($choices, $choices);
|
||
|
|
||
|
// Get field names
|
||
|
$fields = $this->field_names();
|
||
|
|
||
|
$safe = array();
|
||
|
foreach ($fields as $field)
|
||
|
{
|
||
|
if ($choices === NULL OR isset($choices[$field]))
|
||
|
{
|
||
|
if (isset($this[$field]))
|
||
|
{
|
||
|
$value = $this[$field];
|
||
|
|
||
|
if (is_object($value))
|
||
|
{
|
||
|
// Convert the value back into an array
|
||
|
$value = $value->getArrayCopy();
|
||
|
}
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
// Even if the field is not in this array, it must be set
|
||
|
$value = NULL;
|
||
|
}
|
||
|
|
||
|
// Add the field to the array
|
||
|
$safe[$field] = $value;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
return $safe;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Add additional rules that will forced, even for empty fields. All arguments
|
||
|
* passed will be appended to the list.
|
||
|
*
|
||
|
* @chainable
|
||
|
* @param string rule name
|
||
|
* @return object
|
||
|
*/
|
||
|
public function allow_empty_rules($rules)
|
||
|
{
|
||
|
// Any number of args are supported
|
||
|
$rules = func_get_args();
|
||
|
|
||
|
// Merge the allowed rules
|
||
|
$this->empty_rules = array_merge($this->empty_rules, $rules);
|
||
|
|
||
|
return $this;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Sets or overwrites the label name for a field.
|
||
|
*
|
||
|
* @param string field name
|
||
|
* @param string label
|
||
|
* @return $this
|
||
|
*/
|
||
|
public function label($field, $label = NULL)
|
||
|
{
|
||
|
if ($label === NULL AND ($field !== TRUE OR $field !== '*') AND ! isset($this->labels[$field]))
|
||
|
{
|
||
|
// Set the field label to the field name
|
||
|
$this->labels[$field] = ucfirst(preg_replace('/[^\pL]+/u', ' ', $field));
|
||
|
}
|
||
|
elseif ($label !== NULL)
|
||
|
{
|
||
|
// Set the label for this field
|
||
|
$this->labels[$field] = $label;
|
||
|
}
|
||
|
|
||
|
return $this;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Sets labels using an array.
|
||
|
*
|
||
|
* @param array list of field => label names
|
||
|
* @return $this
|
||
|
*/
|
||
|
public function labels(array $labels)
|
||
|
{
|
||
|
$this->labels = $labels + $this->labels;
|
||
|
|
||
|
return $this;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Converts a filter, rule, or callback into a fully-qualified callback array.
|
||
|
*
|
||
|
* @return mixed
|
||
|
*/
|
||
|
protected function callback($callback)
|
||
|
{
|
||
|
if (is_string($callback))
|
||
|
{
|
||
|
if (strpos($callback, '::') !== FALSE)
|
||
|
{
|
||
|
$callback = explode('::', $callback);
|
||
|
}
|
||
|
elseif (function_exists($callback))
|
||
|
{
|
||
|
// No need to check if the callback is a method
|
||
|
$callback = $callback;
|
||
|
}
|
||
|
elseif (method_exists($this, $callback))
|
||
|
{
|
||
|
// The callback exists in Validation
|
||
|
$callback = array($this, $callback);
|
||
|
}
|
||
|
elseif (method_exists('valid', $callback))
|
||
|
{
|
||
|
// The callback exists in valid::
|
||
|
$callback = array('valid', $callback);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
if ( ! is_callable($callback, FALSE))
|
||
|
{
|
||
|
if (is_array($callback))
|
||
|
{
|
||
|
if (is_object($callback[0]))
|
||
|
{
|
||
|
// Object instance syntax
|
||
|
$name = get_class($callback[0]).'->'.$callback[1];
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
// Static class syntax
|
||
|
$name = $callback[0].'::'.$callback[1];
|
||
|
}
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
// Function syntax
|
||
|
$name = $callback;
|
||
|
}
|
||
|
|
||
|
throw new Kohana_Exception('Callback %name% used for Validation is not callable', array('%name%' => $name));
|
||
|
}
|
||
|
|
||
|
return $callback;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Add a pre-filter to one or more inputs. Pre-filters are applied before
|
||
|
* rules or callbacks are executed.
|
||
|
*
|
||
|
* @chainable
|
||
|
* @param callback filter
|
||
|
* @param string fields to apply filter to, use TRUE for all fields
|
||
|
* @return object
|
||
|
*/
|
||
|
public function pre_filter($filter, $field = TRUE)
|
||
|
{
|
||
|
if ($field === TRUE OR $field === '*')
|
||
|
{
|
||
|
// Use wildcard
|
||
|
$fields = array('*');
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
// Add the filter to specific inputs
|
||
|
$fields = func_get_args();
|
||
|
$fields = array_slice($fields, 1);
|
||
|
}
|
||
|
|
||
|
// Convert to a proper callback
|
||
|
$filter = $this->callback($filter);
|
||
|
|
||
|
foreach ($fields as $field)
|
||
|
{
|
||
|
// Add the filter to specified field
|
||
|
$this->pre_filters[$field][] = $filter;
|
||
|
}
|
||
|
|
||
|
return $this;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Add a post-filter to one or more inputs. Post-filters are applied after
|
||
|
* rules and callbacks have been executed.
|
||
|
*
|
||
|
* @chainable
|
||
|
* @param callback filter
|
||
|
* @param string fields to apply filter to, use TRUE for all fields
|
||
|
* @return object
|
||
|
*/
|
||
|
public function post_filter($filter, $field = TRUE)
|
||
|
{
|
||
|
if ($field === TRUE)
|
||
|
{
|
||
|
// Use wildcard
|
||
|
$fields = array('*');
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
// Add the filter to specific inputs
|
||
|
$fields = func_get_args();
|
||
|
$fields = array_slice($fields, 1);
|
||
|
}
|
||
|
|
||
|
// Convert to a proper callback
|
||
|
$filter = $this->callback($filter);
|
||
|
|
||
|
foreach ($fields as $field)
|
||
|
{
|
||
|
// Add the filter to specified field
|
||
|
$this->post_filters[$field][] = $filter;
|
||
|
}
|
||
|
|
||
|
return $this;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Add rules to a field. Validation rules may only return TRUE or FALSE and
|
||
|
* can not manipulate the value of a field.
|
||
|
*
|
||
|
* @chainable
|
||
|
* @param string field name
|
||
|
* @param callback rules (one or more arguments)
|
||
|
* @return object
|
||
|
*/
|
||
|
public function add_rules($field, $rules)
|
||
|
{
|
||
|
// Get the rules
|
||
|
$rules = func_get_args();
|
||
|
$rules = array_slice($rules, 1);
|
||
|
|
||
|
// Set a default field label
|
||
|
$this->label($field);
|
||
|
|
||
|
if ($field === TRUE)
|
||
|
{
|
||
|
// Use wildcard
|
||
|
$field = '*';
|
||
|
}
|
||
|
|
||
|
foreach ($rules as $rule)
|
||
|
{
|
||
|
// Arguments for rule
|
||
|
$args = NULL;
|
||
|
|
||
|
// False rule
|
||
|
$false_rule = FALSE;
|
||
|
|
||
|
$rule_tmp = trim(is_string($rule) ? $rule : $rule[1]);
|
||
|
|
||
|
// Should the rule return false?
|
||
|
if ($rule_tmp !== ($rule_name = ltrim($rule_tmp, '! ')))
|
||
|
{
|
||
|
$false_rule = TRUE;
|
||
|
}
|
||
|
|
||
|
if (is_string($rule))
|
||
|
{
|
||
|
// Use the updated rule name
|
||
|
$rule = $rule_name;
|
||
|
|
||
|
// Have arguments?
|
||
|
if (preg_match('/^([^\[]++)\[(.+)\]$/', $rule, $matches))
|
||
|
{
|
||
|
// Split the rule into the function and args
|
||
|
$rule = $matches[1];
|
||
|
$args = preg_split('/(?<!\\\\),\s*/', $matches[2]);
|
||
|
|
||
|
// Replace escaped comma with comma
|
||
|
$args = str_replace('\,', ',', $args);
|
||
|
}
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
$rule[1] = $rule_name;
|
||
|
}
|
||
|
|
||
|
if ($rule === 'is_array')
|
||
|
{
|
||
|
// This field is expected to be an array
|
||
|
$this->array_fields[$field] = $field;
|
||
|
}
|
||
|
|
||
|
// Convert to a proper callback
|
||
|
$rule = $this->callback($rule);
|
||
|
|
||
|
// Add the rule, with args, to the field
|
||
|
$this->rules[$field][] = array($rule, $args, $false_rule);
|
||
|
}
|
||
|
|
||
|
return $this;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Add callbacks to a field. Callbacks must accept the Validation object
|
||
|
* and the input name. Callback returns are not processed.
|
||
|
*
|
||
|
* @chainable
|
||
|
* @param string field name
|
||
|
* @param callbacks callbacks (unlimited number)
|
||
|
* @return object
|
||
|
*/
|
||
|
public function add_callbacks($field, $callbacks)
|
||
|
{
|
||
|
// Get all callbacks as an array
|
||
|
$callbacks = func_get_args();
|
||
|
$callbacks = array_slice($callbacks, 1);
|
||
|
|
||
|
// Set a default field label
|
||
|
$this->label($field);
|
||
|
|
||
|
if ($field === TRUE)
|
||
|
{
|
||
|
// Use wildcard
|
||
|
$field = '*';
|
||
|
}
|
||
|
|
||
|
foreach ($callbacks as $callback)
|
||
|
{
|
||
|
// Convert to a proper callback
|
||
|
$callback = $this->callback($callback);
|
||
|
|
||
|
// Add the callback to specified field
|
||
|
$this->callbacks[$field][] = $callback;
|
||
|
}
|
||
|
|
||
|
return $this;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Validate by processing pre-filters, rules, callbacks, and post-filters.
|
||
|
* All fields that have filters, rules, or callbacks will be initialized if
|
||
|
* they are undefined. Validation will only be run if there is data already
|
||
|
* in the array.
|
||
|
*
|
||
|
* @param object Validation object, used only for recursion
|
||
|
* @param object name of field for errors
|
||
|
* @return bool
|
||
|
*/
|
||
|
public function validate($object = NULL, $field_name = NULL)
|
||
|
{
|
||
|
if ($object === NULL)
|
||
|
{
|
||
|
// Use the current object
|
||
|
$object = $this;
|
||
|
}
|
||
|
|
||
|
$array = $this->safe_array();
|
||
|
|
||
|
// Get all defined field names
|
||
|
$fields = array_keys($array);
|
||
|
|
||
|
foreach ($this->pre_filters as $field => $callbacks)
|
||
|
{
|
||
|
foreach ($callbacks as $callback)
|
||
|
{
|
||
|
if ($field === '*')
|
||
|
{
|
||
|
foreach ($fields as $f)
|
||
|
{
|
||
|
$array[$f] = is_array($array[$f]) ? array_map($callback, $array[$f]) : call_user_func($callback, $array[$f]);
|
||
|
}
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
$array[$field] = is_array($array[$field]) ? array_map($callback, $array[$field]) : call_user_func($callback, $array[$field]);
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
foreach ($this->rules as $field => $callbacks)
|
||
|
{
|
||
|
foreach ($callbacks as $callback)
|
||
|
{
|
||
|
// Separate the callback, arguments and is false bool
|
||
|
list ($callback, $args, $is_false) = $callback;
|
||
|
|
||
|
// Function or method name of the rule
|
||
|
$rule = is_array($callback) ? $callback[1] : $callback;
|
||
|
|
||
|
if ($field === '*')
|
||
|
{
|
||
|
foreach ($fields as $f)
|
||
|
{
|
||
|
// Note that continue, instead of break, is used when
|
||
|
// applying rules using a wildcard, so that all fields
|
||
|
// will be validated.
|
||
|
|
||
|
if (isset($this->errors[$f]))
|
||
|
{
|
||
|
// Prevent other rules from being evaluated if an error has occurred
|
||
|
continue;
|
||
|
}
|
||
|
|
||
|
if (empty($array[$f]) AND ! in_array($rule, $this->empty_rules))
|
||
|
{
|
||
|
// This rule does not need to be processed on empty fields
|
||
|
continue;
|
||
|
}
|
||
|
|
||
|
$result = ($args === NULL) ? call_user_func($callback, $array[$f]) : call_user_func($callback, $array[$f], $args);
|
||
|
|
||
|
if (($result == $is_false))
|
||
|
{
|
||
|
$this->add_error($f, $rule, $args);
|
||
|
|
||
|
// Stop validating this field when an error is found
|
||
|
continue;
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
if (isset($this->errors[$field]))
|
||
|
{
|
||
|
// Prevent other rules from being evaluated if an error has occurred
|
||
|
break;
|
||
|
}
|
||
|
|
||
|
if ( ! in_array($rule, $this->empty_rules) AND ! $this->required($array[$field]))
|
||
|
{
|
||
|
// This rule does not need to be processed on empty fields
|
||
|
continue;
|
||
|
}
|
||
|
|
||
|
// Results of our test
|
||
|
$result = ($args === NULL) ? call_user_func($callback, $array[$field]) : call_user_func($callback, $array[$field], $args);
|
||
|
|
||
|
if (($result == $is_false))
|
||
|
{
|
||
|
$rule = $is_false ? '!'.$rule : $rule;
|
||
|
$this->add_error($field, $rule, $args);
|
||
|
|
||
|
// Stop validating this field when an error is found
|
||
|
break;
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
foreach ($this->callbacks as $field => $callbacks)
|
||
|
{
|
||
|
foreach ($callbacks as $callback)
|
||
|
{
|
||
|
if ($field === '*')
|
||
|
{
|
||
|
foreach ($fields as $f)
|
||
|
{
|
||
|
// Note that continue, instead of break, is used when
|
||
|
// applying rules using a wildcard, so that all fields
|
||
|
// will be validated.
|
||
|
|
||
|
if (isset($this->errors[$f]))
|
||
|
{
|
||
|
// Stop validating this field when an error is found
|
||
|
continue;
|
||
|
}
|
||
|
|
||
|
call_user_func($callback, $this, $f);
|
||
|
}
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
if (isset($this->errors[$field]))
|
||
|
{
|
||
|
// Stop validating this field when an error is found
|
||
|
break;
|
||
|
}
|
||
|
|
||
|
call_user_func($callback, $this, $field);
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
foreach ($this->post_filters as $field => $callbacks)
|
||
|
{
|
||
|
foreach ($callbacks as $callback)
|
||
|
{
|
||
|
if ($field === '*')
|
||
|
{
|
||
|
foreach ($fields as $f)
|
||
|
{
|
||
|
$array[$f] = is_array($array[$f]) ? array_map($callback, $array[$f]) : call_user_func($callback, $array[$f]);
|
||
|
}
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
$array[$field] = is_array($array[$field]) ? array_map($callback, $array[$field]) : call_user_func($callback, $array[$field]);
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
// Swap the array back into the object
|
||
|
$this->exchangeArray($array);
|
||
|
|
||
|
// Return TRUE if there are no errors
|
||
|
return $this->errors === array();
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Add an error to an input.
|
||
|
*
|
||
|
* @chainable
|
||
|
* @param string input name
|
||
|
* @param string unique error name
|
||
|
* @param string arguments to pass to lang file
|
||
|
* @return object
|
||
|
*/
|
||
|
public function add_error($field, $name, $args = NULL)
|
||
|
{
|
||
|
$this->errors[$field] = array($name, $args);
|
||
|
|
||
|
return $this;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Return the errors array.
|
||
|
*
|
||
|
* @param boolean load errors from a message file
|
||
|
* @return array
|
||
|
*/
|
||
|
public function errors($file = NULL)
|
||
|
{
|
||
|
if ($file === NULL)
|
||
|
{
|
||
|
$errors = array();
|
||
|
foreach($this->errors as $field => $error)
|
||
|
{
|
||
|
$errors[$field] = $error[0];
|
||
|
}
|
||
|
return $errors;
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
$errors = array();
|
||
|
foreach ($this->errors as $input => $error)
|
||
|
{
|
||
|
// Locations to check for error messages
|
||
|
$error_locations = array
|
||
|
(
|
||
|
"validation/{$file}.{$input}.{$error[0]}",
|
||
|
"validation/{$file}.{$input}.default",
|
||
|
"validation/default.{$error[0]}"
|
||
|
);
|
||
|
|
||
|
if (($message = Kohana::message($error_locations[0])) !== $error_locations[0])
|
||
|
{
|
||
|
// Found a message for this field and error
|
||
|
}
|
||
|
elseif (($message = Kohana::message($error_locations[1])) !== $error_locations[1])
|
||
|
{
|
||
|
// Found a default message for this field
|
||
|
}
|
||
|
elseif (($message = Kohana::message($error_locations[2])) !== $error_locations[2])
|
||
|
{
|
||
|
// Found a default message for this error
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
// No message exists, display the path expected
|
||
|
$message = "validation/{$file}.{$input}.{$error[0]}";
|
||
|
}
|
||
|
|
||
|
// Start the translation values list
|
||
|
$values = array(':field' => __($this->labels[$input]));
|
||
|
|
||
|
if ( ! empty($error[1]))
|
||
|
{
|
||
|
foreach ($error[1] as $key => $value)
|
||
|
{
|
||
|
// Add each parameter as a numbered value, starting from 1
|
||
|
$values[':param'.($key + 1)] = __($value);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
// Translate the message using the default language
|
||
|
$errors[$input] = __($message, $values);
|
||
|
}
|
||
|
|
||
|
return $errors;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Rule: required. Generates an error if the field has an empty value.
|
||
|
*
|
||
|
* @param mixed input value
|
||
|
* @return bool
|
||
|
*/
|
||
|
public function required($str)
|
||
|
{
|
||
|
if (is_object($str) AND $str instanceof ArrayObject)
|
||
|
{
|
||
|
// Get the array from the ArrayObject
|
||
|
$str = $str->getArrayCopy();
|
||
|
}
|
||
|
|
||
|
if (is_array($str))
|
||
|
{
|
||
|
return ! empty($str);
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
return ! ($str === '' OR $str === NULL OR $str === FALSE);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Rule: matches. Generates an error if the field does not match one or more
|
||
|
* other fields.
|
||
|
*
|
||
|
* @param mixed input value
|
||
|
* @param array input names to match against
|
||
|
* @return bool
|
||
|
*/
|
||
|
public function matches($str, array $inputs)
|
||
|
{
|
||
|
foreach ($inputs as $key)
|
||
|
{
|
||
|
if ($str !== (isset($this[$key]) ? $this[$key] : NULL))
|
||
|
return FALSE;
|
||
|
}
|
||
|
|
||
|
return TRUE;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Rule: length. Generates an error if the field is too long or too short.
|
||
|
*
|
||
|
* @param mixed input value
|
||
|
* @param array minimum, maximum, or exact length to match
|
||
|
* @return bool
|
||
|
*/
|
||
|
public function length($str, array $length)
|
||
|
{
|
||
|
if ( ! is_string($str))
|
||
|
return FALSE;
|
||
|
|
||
|
$size = mb_strlen($str);
|
||
|
$status = FALSE;
|
||
|
|
||
|
if (count($length) > 1)
|
||
|
{
|
||
|
list ($min, $max) = $length;
|
||
|
|
||
|
if ($size >= $min AND $size <= $max)
|
||
|
{
|
||
|
$status = TRUE;
|
||
|
}
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
$status = ($size === (int) $length[0]);
|
||
|
}
|
||
|
|
||
|
return $status;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Rule: depends_on. Generates an error if the field does not depend on one
|
||
|
* or more other fields.
|
||
|
*
|
||
|
* @param mixed field name
|
||
|
* @param array field names to check dependency
|
||
|
* @return bool
|
||
|
*/
|
||
|
public function depends_on($field, array $fields)
|
||
|
{
|
||
|
foreach ($fields as $depends_on)
|
||
|
{
|
||
|
if ( ! isset($this[$depends_on]) OR $this[$depends_on] == NULL)
|
||
|
return FALSE;
|
||
|
}
|
||
|
|
||
|
return TRUE;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Rule: chars. Generates an error if the field contains characters outside of the list.
|
||
|
*
|
||
|
* @param string field value
|
||
|
* @param array allowed characters
|
||
|
* @return bool
|
||
|
*/
|
||
|
public function chars($value, array $chars)
|
||
|
{
|
||
|
return ! preg_match('![^'.implode('', $chars).']!u', $value);
|
||
|
}
|
||
|
|
||
|
} // End Validation
|