306 lines
8.5 KiB
PHP
306 lines
8.5 KiB
PHP
<?php
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/*
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* $Id$
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* This software consists of voluntary contributions made by many individuals
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* and is licensed under the LGPL. For more information, see
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* <http://www.phpdoctrine.com>.
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*/
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/**
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* Doctrine_Validator
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* Doctrine_Validator performs validations in record properties
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*
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* @package Doctrine ORM
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* @url www.phpdoctrine.com
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* @license LGPL
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*/
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class Doctrine_Validator {
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/**
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* ERROR CONSTANTS
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*/
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/**
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* constant for length validation error
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*/
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const ERR_LENGTH = 0;
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/**
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* constant for type validation error
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*/
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const ERR_TYPE = 1;
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/**
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* constant for general validation error
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*/
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const ERR_VALID = 2;
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/**
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* constant for unique validation error
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*/
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const ERR_UNIQUE = 3;
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/**
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* constant for blank validation error
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*/
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const ERR_NOTBLANK = 4;
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/**
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* constant for date validation error
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*/
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const ERR_DATE = 5;
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/**
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* constant for null validation error
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*/
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const ERR_NOTNULL = 6;
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/**
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* constant for enum validation error
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*/
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const ERR_ENUM = 7;
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/**
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* constant for range validation error
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*/
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const ERR_RANGE = 8;
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/**
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* constant for regexp validation error
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*/
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const ERR_REGEXP = 9;
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/**
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* @var array $stack error stack
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*/
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private $stack = array();
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/**
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* @var array $validators an array of validator objects
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*/
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private static $validators = array();
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/**
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* @var Doctrine_Null $null a Doctrine_Null object used for extremely fast
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* null value testing
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*/
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private static $null;
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/**
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* initNullObject
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*
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* @param Doctrine_Null $null
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* @return void
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*/
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public static function initNullObject(Doctrine_Null $null) {
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self::$null = $null;
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}
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/**
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* returns a validator object
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*
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* @param string $name
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* @return Doctrine_Validator_Interface
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*/
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public static function getValidator($name) {
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if( ! isset(self::$validators[$name])) {
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$class = "Doctrine_Validator_".ucwords(strtolower($name));
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if(class_exists($class)) {
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self::$validators[$name] = new $class;
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} else {
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throw new Doctrine_Exception("Validator named '$name' not availible.");
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}
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}
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return self::$validators[$name];
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}
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/**
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* validates a given record and saves possible errors
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* in Doctrine_Validator::$stack
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*
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* @param Doctrine_Record $record
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* @return void
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*/
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public function validateRecord(Doctrine_Record $record) {
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$columns = $record->getTable()->getColumns();
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$component = $record->getTable()->getComponentName();
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switch($record->getState()):
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case Doctrine_Record::STATE_TDIRTY:
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case Doctrine_Record::STATE_TCLEAN:
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// all fields will be validated
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$data = $record->getData();
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break;
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default:
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// only the modified fields will be validated
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$data = $record->getModified();
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endswitch;
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$err = array();
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foreach($data as $key => $value) {
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if($value === self::$null)
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$value = null;
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$column = $columns[$key];
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if($column[0] == "enum") {
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$value = $record->getTable()->enumIndex($key, $value);
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if($value === false) {
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$err[$key] = Doctrine_Validator::ERR_ENUM;
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continue;
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}
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}
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if($column[0] == "array" || $column[0] == "object")
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$length = strlen(serialize($value));
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else
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$length = strlen($value);
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if($length > $column[1]) {
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$err[$key] = Doctrine_Validator::ERR_LENGTH;
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continue;
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}
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if( ! is_array($column[2]))
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$e = explode("|",$column[2]);
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else
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$e = $column[2];
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foreach($e as $k => $arg) {
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if(is_string($k)) {
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$name = $k;
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$args = $arg;
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} else {
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$args = explode(":",$arg);
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$name = array_shift($args);
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if( ! isset($args[0]))
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$args[0] = '';
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}
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if(empty($name) || $name == 'primary' ||
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$name == 'protected' ||
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$name == 'autoincrement' ||
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$name == 'default')
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continue;
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$validator = self::getValidator($name);
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if( ! $validator->validate($record, $key, $value, $args)) {
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$constant = 'Doctrine_Validator::ERR_'.strtoupper($name);
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if(defined($constant))
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$err[$key] = constant($constant);
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else
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$err[$key] = Doctrine_Validator::ERR_VALID;
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// errors found quit validation looping for this column
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break;
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}
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}
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if( ! self::isValidType($value, $column[0])) {
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$err[$key] = Doctrine_Validator::ERR_TYPE;
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continue;
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}
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}
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if( ! empty($err)) {
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$this->stack[$component][] = $err;
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return false;
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}
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return true;
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}
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/**
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* whether or not this validator has errors
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*
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* @return boolean
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*/
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public function hasErrors() {
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return (count($this->stack) > 0);
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}
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/**
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* returns the error stack
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*
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* @return array
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*/
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public function getErrorStack() {
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return $this->stack;
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}
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/**
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* converts a doctrine type to native php type
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*
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* @param $doctrineType
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* @return string
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*/
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public static function phpType($doctrineType) {
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switch($doctrineType) {
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case 'enum':
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return 'integer';
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case 'blob':
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case 'clob':
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case 'mbstring':
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case 'timestamp':
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case 'date':
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case 'gzip':
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return 'string';
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break;
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default:
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return $doctrineType;
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}
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}
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/**
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* returns whether or not the given variable is
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* valid type
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*
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* @param mixed $var
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* @param string $type
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* @return boolean
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*/
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public static function isValidType($var, $type) {
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if($type == 'boolean')
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return true;
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$looseType = self::gettype($var);
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$type = self::phpType($type);
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switch($looseType):
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case 'float':
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case 'double':
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case 'integer':
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if($type == 'string' || $type == 'float')
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return true;
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case 'string':
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case 'array':
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case 'object':
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return ($type === $looseType);
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break;
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case 'NULL':
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return true;
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break;
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endswitch;
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}
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/**
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* returns the type of loosely typed variable
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*
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* @param mixed $var
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* @return string
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*/
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public static function gettype($var) {
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$type = gettype($var);
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switch($type):
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case 'string':
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if(preg_match("/^[0-9]+$/",$var))
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return 'integer';
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elseif(is_numeric($var))
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return 'float';
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else
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return $type;
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break;
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default:
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return $type;
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endswitch;
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}
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}
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