Source of file Placeholder.php
Size: 2,515 Bytes - Last Modified: 2014-03-12T23:21:18+01:00
/home/theseer/Downloads/ZendFramework-2.3.0/library/Zend/View/Helper/Placeholder.php
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899 | <?php /** * Zend Framework (http://framework.zend.com/) * * @link http://github.com/zendframework/zf2 for the canonical source repository * @copyright Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com) * @license http://framework.zend.com/license/new-bsd New BSD License */ namespace Zend\View\Helper; use Zend\View\Exception\InvalidArgumentException; use Zend\View\Helper\Placeholder\Container; /** * Helper for passing data between otherwise segregated Views. It's called * Placeholder to make its typical usage obvious, but can be used just as easily * for non-Placeholder things. That said, the support for this is only * guaranteed to effect subsequently rendered templates, and of course Layouts. */ class Placeholder extends AbstractHelper { /** * Placeholder items * * @var array */ protected $items = array(); /** * Default container class * @var string */ protected $containerClass = 'Zend\View\Helper\Placeholder\Container'; /** * Placeholder helper * * @param string $name * @throws InvalidArgumentException * @return Placeholder\Container\AbstractContainer */ public function __invoke($name = null) { if ($name == null) { throw new InvalidArgumentException('Placeholder: missing argument. $name is required by placeholder($name)'); } $name = (string) $name; return $this->getContainer($name); } /** * createContainer * * @param string $key * @param array $value * @return Container\AbstractContainer */ public function createContainer($key, array $value = array()) { $key = (string) $key; $this->items[$key] = new $this->containerClass($value); return $this->items[$key]; } /** * Retrieve a placeholder container * * @param string $key * @return Container\AbstractContainer */ public function getContainer($key) { $key = (string) $key; if (isset($this->items[$key])) { return $this->items[$key]; } $container = $this->createContainer($key); return $container; } /** * Does a particular container exist? * * @param string $key * @return bool */ public function containerExists($key) { $key = (string) $key; $return = array_key_exists($key, $this->items); return $return; } } |