<?php
namespace Lia\Utility;
/**
* Normalize callable usage & bind paramaters to a callable, like you can in javascript
*
* @todo Remove FancyClosure from Liaison, as its not used (pretty sure). It should go in my util repo
*/
class FancyClosure {
/** array of paramaters to pass to the callable when invoked */
public $bound;
/** The source callable as it was passed to this class */
public $origCallable;
/** An anonymous function, if the callable is an anonymous function */
public $function = null;
/** The fully qualified classname, if the callable is an array like `[$object || 'classname', 'methodname']`. */
public $class = null;
/** The object, if the callable is an array like `[$object, 'methodName']` */
public $object = null;
/** The function name, if the callable is an array like `[$object || 'classname', 'methodname']` */
public $funcName = null;
/** true if the callable is a static class function */
public $isStatic = false;
/** true if the callable is an anonymous function */
public $isAnonymous = false;
/**
*
* @param $callable A callable... a string function name, anonymous function, or array callable.
* @param $boundParamaters an array of values to pass to the callable when invoked. Or empty array.
*/
public function __construct($callable, $boundParamaters){
$this->origCallable = $callable;
$this->bound = $boundParamaters;
if (is_array($callable)){
$src = $callable[0];
$this->funcName = $callable[1];
if (is_object($src)){
$this->object = $src;
$this->class = get_class($src);
} else if (is_string($src)){
$this->class = $src;
$this->isStatic = true;
}
} else if (is_string($callable)){
$this->funcName = $callable;
$this->function = $callable;
} else {
$this->function = $callable;
$this->isAnonymous = true;
}
}
/**
* Invoke the given callable with any bound paramaters
* @param ...$args any additional args to pass to the callable. These come after bound args
*/
public function __invoke(...$args){
$bound = $this->bound;
$args = $args;
$pass = array_merge($bound, $args);
$callable = $this->origCallable;
return call_user_func_array($callable,$pass);
}
}