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<?php |
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/** |
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* FunctionInvokerTrait |
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* |
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* @package BrightNucleus\Invoker |
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* @author Alain Schlesser <[email protected]> |
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* @license GPL-2.0+ |
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* @link http://www.brightnucleus.com/ |
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* @copyright 2015-2016 Alain Schlesser, Bright Nucleus |
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*/ |
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namespace BrightNucleus\Invoker; |
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use BrightNucleus\Exception\InvalidArgumentException; |
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use Exception; |
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use ReflectionFunction; |
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/** |
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* Trait to make the invokeFunction() method easily accessible inside classes. |
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* |
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* @since 0.1.0 |
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* |
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* @package BrightNucleus\Invoker |
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* @author Alain Schlesser <[email protected]> |
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*/ |
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trait FunctionInvokerTrait |
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{ |
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/** |
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* Check the accepted arguments for a given function and pass associative |
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* array values in the right order. |
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* |
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* @since 0.1.0 |
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* |
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* @param string $function Name of the function to invoke. |
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* @param array $args Associative array that contains the arguments. |
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* @return mixed Return value of the invoked function. |
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* @throws InvalidArgumentException If a valid function is missing. |
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*/ |
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public function invokeFunction($function, array $args = array()) |
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{ |
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if (! $function || ! is_string($function) || '' === $function) { |
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throw new InvalidArgumentException(_('Missing valid function to invoke.')); |
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} |
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try { |
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$reflection = new ReflectionFunction($function); |
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$ordered_arguments = Helper::parse_params( |
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$reflection->getParameters(), |
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$args |
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); |
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return $reflection->invokeArgs($ordered_arguments); |
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} catch (Exception $exception) { |
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throw new InvalidArgumentException( |
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sprintf( |
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_('Failed to invoke function "%1$s". Reason: %2$s'), |
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$function, |
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$exception->getMessage() |
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) |
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); |
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} |
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} |
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} |
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brightnucleus /
invoker
