php-src/Zend/tests/first_class_callable_refs.phpt
Joe Watkins d0b09a7be4 Add first-class callables
Support acquiring a Closure to a callable using the syntax
func(...), $obj->method(...), etc. This is essentially a
shortcut for Closure::fromCallable().

RFC: https://wiki.php.net/rfc/first_class_callable_syntax

Closes GH-7019.

Co-Authored-By: Nikita Popov <nikita.ppv@gmail.com>
2021-07-14 14:37:25 +02:00

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PHP

--TEST--
First class callables and references
--FILE--
<?php
function &id(&$x) {
return $x;
}
$fn = id(...);
$i = 0;
$i2 =& $fn($i);
$i++;
var_dump($i2);
?>
--EXPECT--
int(1)