328 lines
9.9 KiB
PHP
328 lines
9.9 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
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* @subpackage Validator
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* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
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* @link www.phpdoctrine.com
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* @since 1.0
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* @version $Revision$
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* @author Konsta Vesterinen <kvesteri@cc.hut.fi>
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*/
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class Doctrine_Validator extends Doctrine_Locator_Injectable
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{
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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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* 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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{
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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 available.");
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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 $record)
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{
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$columns = $record->getTable()->getColumns();
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$component = $record->getTable()->getComponentName();
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$errorStack = $record->getErrorStack();
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// if record is transient all fields will be validated
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// if record is persistent only the modified fields will be validated
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$data = ($record->exists()) ? $record->getModified() : $record->getData();
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$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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} else if ($value instanceof Doctrine_Record) {
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$value = $value->getIncremented();
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}
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$column = $columns[$key];
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if ($column['type'] == 'enum') {
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$value = $record->getTable()->enumIndex($key, $value);
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if ($value === false) {
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$errorStack->add($key, 'enum');
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continue;
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}
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}
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if ($record->getTable()->getAttribute(Doctrine::ATTR_VALIDATE) & Doctrine::VALIDATE_LENGTHS) {
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if ( ! $this->validateLength($column, $key, $value)) {
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$errorStack->add($key, 'length');
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continue;
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}
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}
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foreach ($column as $name => $args) {
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if (empty($name)
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|| $name == 'primary'
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|| $name == 'protected'
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|| $name == 'autoincrement'
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|| $name == 'default'
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|| $name == 'values'
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|| $name == 'sequence'
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|| $name == 'zerofill'
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|| $name == 'scale') {
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continue;
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}
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if (strtolower($name) === 'notnull' && isset($column['autoincrement'])) {
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continue;
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}
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if (strtolower($name) == 'length') {
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if ( ! ($record->getTable()->getAttribute(Doctrine::ATTR_VALIDATE) & Doctrine::VALIDATE_LENGTHS)) {
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if ( ! $this->validateLength($column, $key, $value)) {
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$errorStack->add($key, 'length');
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}
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}
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continue;
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}
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if (strtolower($name) == 'type') {
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if ( ! ($record->getTable()->getAttribute(Doctrine::ATTR_VALIDATE) & Doctrine::VALIDATE_TYPES)) {
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if ( ! self::isValidType($value, $column['type'])) {
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$errorStack->add($key, 'type');
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}
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}
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continue;
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}
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$validator = self::getValidator($name);
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$validator->invoker = $record;
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$validator->field = $key;
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$validator->args = $args;
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if ( ! $validator->validate($value)) {
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$errorStack->add($key, $name);
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//$err[$key] = 'not valid';
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// errors found quit validation looping for this column
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//break;
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}
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}
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if ($record->getTable()->getAttribute(Doctrine::ATTR_VALIDATE) & Doctrine::VALIDATE_TYPES) {
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if ( ! self::isValidType($value, $column['type'])) {
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$errorStack->add($key, 'type');
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continue;
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}
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}
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}
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}
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/**
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* Validates the length of a field.
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*/
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private function validateLength($column, $key, $value)
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{
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if ($column['type'] == 'timestamp' || $column['type'] == 'integer' ||
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$column['type'] == 'enum') {
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return true;
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} else if ($column['type'] == 'array' || $column['type'] == 'object') {
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$length = strlen(serialize($value));
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} else {
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$length = strlen($value);
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}
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if ($length > $column['length']) {
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return false;
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}
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return true;
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}
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/**
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* whether or not this validator has errors
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*
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* @return boolean
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*/
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public function hasErrors()
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{
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return (count($this->stack) > 0);
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}
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/**
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* phpType
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* converts a doctrine type to native php type
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*
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* @param $portableType portable doctrine type
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* @return string
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*//*
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public static function phpType($portableType)
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{
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switch ($portableType) {
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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 $portableType;
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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 $type
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* @return boolean
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*/
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/*
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public static function isValidType($var, $type)
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{
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if ($type == 'boolean') {
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return true;
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}
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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' || $type == 'float') {
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return true;
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}
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case 'string':
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case 'array':
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case 'object':
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return ($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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}
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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, $type)
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{
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if ($var === null) {
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return true;
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} else if (is_object($var)) {
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return $type == 'object';
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}
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switch ($type) {
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case 'float':
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case 'double':
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return (string)$var == strval(floatval($var));
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case 'integer':
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return (string)$var == strval(intval($var));
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case 'string':
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return is_string($var) || is_int($var) || is_float($var);
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case 'blob':
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case 'clob':
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case 'gzip':
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return is_string($var);
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case 'array':
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return is_array($var);
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case 'object':
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return is_object($var);
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case 'boolean':
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return is_bool($var);
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case 'timestamp':
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// todo: validate the timestamp is in YYYY-MM-DD HH:MM:SS format
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return true;
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case 'date':
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$validator = self::getValidator('date');
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return $validator->validate($var);
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case 'enum':
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return is_string($var) || is_int($var);
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default:
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return false;
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}
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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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{
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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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}
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break;
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default:
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return $type;
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}
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}*/
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}
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