Closure::__constructClosure::bind
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Closure::bind — Duplicates a closure with a specific bound object and class scope
Description
$closure
, object $newthis
[, mixed $newscope
= 'static'
] )This method is a static version of Closure::bindTo(). See the documentation of that method for more information.
Parameters
-
closure -
The anonymous functions to bind.
-
newthis -
The object to which the given anonymous function should be bound, or
NULLfor the closure to be unbound. -
newscope -
The class scope to which associate the closure is to be associated, or 'static' to keep the current one. If an object is given, the type of the object will be used instead. This determines the visibility of protected and private methods of the bound object.
Return Values
Returns a new Closure object or FALSE on failure
Examples
Example #1 Closure::bind() example
<?php
class A {
private static $sfoo = 1;
private $ifoo = 2;
}
$cl1 = static function() {
return A::$sfoo;
};
$cl2 = function() {
return $this->ifoo;
};
$bcl1 = Closure::bind($cl1, null, 'A');
$bcl2 = Closure::bind($cl2, new A(), 'A');
echo $bcl1(), "\n";
echo $bcl2(), "\n";
?>
The above example will output something similar to:
1 2
See Also
- Anonymous functions
- Closure::bindTo() - Duplicates the closure with a new bound object and class scope
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User Contributed Notes
Closure::bind