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<?php
/**
* File was created 29.05.2015 21:06
*
* @author Karsten J. Gerber <[email protected]>
*/
namespace PeekAndPoke\Component\Psi\Psi;
use PeekAndPoke\Component\Psi\UnaryFunction;
* IsCallable checks if the given value is a callable.
* This is true when the value is:
* - a Closure
* - an anonymous function
* - a class that implements the __invoke function
* @see IsCallableIsNotCallableTest
class IsCallable implements UnaryFunction
{
* @param mixed $input
* @return bool
public function __invoke($input)
return is_callable($input);
}
PeekAndPoke /
psi
