ÿØÿàJFIFÿþ ÿÛC       ÿÛC ÿÀÿÄÿÄ"#QrÿÄÿÄ&1!A"2qQaáÿÚ ?Øy,æ/3JæݹÈ߲؋5êXw²±ÉyˆR”¾I0ó2—PI¾IÌÚiMö¯–þrìN&"KgX:Šíµ•nTJnLK„…@!‰-ý ùúmë;ºgµŒ&ó±hw’¯Õ@”Ü— 9ñ-ë.²1<yà‚¹ïQÐU„ہ?.’¦èûbß±©Ö«Âw*VŒ) `$‰bØԟ’ëXÖ-ËTÜíGÚ3ð«g Ÿ§¯—Jx„–’U/ÂÅv_s(Hÿ@TñJÑãõçn­‚!ÈgfbÓc­:él[ðQe 9ÀPLbÃãCµm[5¿ç'ªjglå‡Ûí_§Úõl-;"PkÞÞÁQâ¼_Ñ^¢SŸx?"¸¦ùY騐ÒOÈ q’`~~ÚtËU¹CڒêV  I1Áß_ÿÙ * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Symfony\Component\Templating\Helper; /** * SlotsHelper manages template slots. * * @author Fabien Potencier * * @api */ class SlotsHelper extends Helper { protected $slots = array(); protected $openSlots = array(); /** * Starts a new slot. * * This method starts an output buffer that will be * closed when the stop() method is called. * * @param string $name The slot name * * @throws \InvalidArgumentException if a slot with the same name is already started * * @api */ public function start($name) { if (in_array($name, $this->openSlots)) { throw new \InvalidArgumentException(sprintf('A slot named "%s" is already started.', $name)); } $this->openSlots[] = $name; $this->slots[$name] = ''; ob_start(); ob_implicit_flush(0); } /** * Stops a slot. * * @throws \LogicException if no slot has been started * * @api */ public function stop() { if (!$this->openSlots) { throw new \LogicException('No slot started.'); } $name = array_pop($this->openSlots); $this->slots[$name] = ob_get_clean(); } /** * Returns true if the slot exists. * * @param string $name The slot name * * @return Boolean * * @api */ public function has($name) { return isset($this->slots[$name]); } /** * Gets the slot value. * * @param string $name The slot name * @param Boolean|string $default The default slot content * * @return string The slot content * * @api */ public function get($name, $default = false) { return isset($this->slots[$name]) ? $this->slots[$name] : $default; } /** * Sets a slot value. * * @param string $name The slot name * @param string $content The slot content * * @api */ public function set($name, $content) { $this->slots[$name] = $content; } /** * Outputs a slot. * * @param string $name The slot name * @param Boolean|string $default The default slot content * * @return Boolean true if the slot is defined or if a default content has been provided, false otherwise * * @api */ public function output($name, $default = false) { if (!isset($this->slots[$name])) { if (false !== $default) { echo $default; return true; } return false; } echo $this->slots[$name]; return true; } /** * Returns the canonical name of this helper. * * @return string The canonical name * * @api */ public function getName() { return 'slots'; } }