Closure::call

(PHP 7)

Binds and calls the closure

public mixed Closure::call ( object $newthis [, mixed $... ] )

Temporarily binds the closure to newthis, and calls it with any given parameters.

Parameters:

newthis

The object to bind the closure to for the duration of the call.

...

Zero or more parameters, which will be given as parameters to the closure.

Returns:

Returns the return value of the closure.

Examples:

Closure::call() example

<?php
class Value {
    protected $value;
 
    public function __construct($value) {
        $this->value = $value;
    }
 
    public function getValue() {
        return $this->value;
    }
}
 
$three = new Value(3);
$four = new Value(4);
 
$closure = function ($delta) { var_dump($this->getValue() + $delta); };
$closure->call($three, 4);
$closure->call($four, 4);
?>

The above example will output:

int(7)
int(8)

Links:

http://php.net/manual/en/closure.call.php

doc_php

2025-01-10 15:47:30

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