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<?php |
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namespace League\Plates\Template; |
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use League\Plates\Extension\ExtensionInterface; |
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use LogicException; |
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/** |
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* A template function. |
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*/ |
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class Func |
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{ |
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/** |
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* The function name. |
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* @var string |
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*/ |
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protected $name; |
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/** |
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* The function callback. |
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* @var callable |
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*/ |
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protected $callback; |
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/** |
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* Create new Func instance. |
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* @param string $name |
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* @param callable $callback |
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*/ |
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public function __construct($name, $callback) |
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{ |
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$this->setName($name); |
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$this->setCallback($callback); |
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} |
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/** |
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* Set the function name. |
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* @param string $name |
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* @return Func |
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*/ |
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public function setName($name) |
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{ |
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if (preg_match('/^[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*$/', $name) !== 1) { |
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throw new LogicException( |
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'Not a valid function name.' |
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); |
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} |
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$this->name = $name; |
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return $this; |
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} |
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/** |
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* Get the function name. |
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* @return string |
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*/ |
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public function getName() |
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{ |
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return $this->name; |
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} |
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/** |
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* Set the function callback |
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* @param callable $callback |
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* @return Func |
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*/ |
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public function setCallback($callback) |
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{ |
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if (!is_callable($callback, true)) { |
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throw new LogicException( |
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'Not a valid function callback.' |
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); |
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} |
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$this->callback = $callback; |
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return $this; |
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} |
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/** |
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* Get the function callback. |
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* @return callable |
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*/ |
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public function getCallback() |
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{ |
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return $this->callback; |
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} |
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/** |
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* Call the function. |
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* @param Template $template |
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* @param array $arguments |
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* @return mixed |
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*/ |
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public function call(Template $template = null, $arguments = array()) |
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{ |
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if (is_array($this->callback) and |
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isset($this->callback[0]) and |
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$this->callback[0] instanceof ExtensionInterface |
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) { |
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$this->callback[0]->template = $template; |
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} |
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return call_user_func_array($this->callback, $arguments); |
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} |
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} |
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thephpleague /
plates
