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IdGeneratorTrait.php
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IdGeneratorTrait.php
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<?php
/**
* CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
* Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
*
* Licensed under The MIT License
* For full copyright and license information, please see the LICENSE.txt
* Redistributions of files must retain the above copyright notice.
*
* @copyright Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
* @link http://cakephp.org CakePHP(tm) Project
* @since CakePHP(tm) v3.0
* @license http://www.opensource.org/licenses/mit-license.php MIT License
*/
namespace Cake\View\Widget;
use Cake\Utility\Inflector;
/**
* A trait that provides id generating methods to be
* used in various widget classes.
*/
trait IdGeneratorTrait {
/**
* A list of id suffixes used in the current rendering.
*
* @var array
*/
protected $_idSuffixes = [];
/**
* Clear the stored ID suffixes.
*
* @return void
*/
protected function _clearIds() {
$this->_idSuffixes = [];
}
/**
* Generate an ID attribute for a radio button.
*
* Ensures that id's for a given set of fields are unique.
*
* @param string $name The ID attribute name.
* @param mixed $val The ID attribute value.
* @return string Generated id.
*/
protected function _id($name, $val) {
$name = mb_strtolower(Inflector::slug($name, '-'));
$idSuffix = mb_strtolower(str_replace(array('/', '@', '<', '>', ' ', '"', '\''), '-', $val));
$count = 1;
$check = $idSuffix;
while (in_array($check, $this->_idSuffixes)) {
$check = $idSuffix . $count++;
}
$this->_idSuffixes[] = $check;
return trim($name . '-' . $check, '-');
}
}