<?php
function modify(&$x) {
$x = 50;
}
function &get_reference() {
global $x;
return $x;
}
$x = 42;
var_dump($x);
modify(get_reference());
var_dump($x);
?>
=======
<?php
$x = 42;
var_dump($x);
modify((get_reference())); // brackets
var_dump($x);
?>
- Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.1, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
- int(42)
int(50)
=======
int(42)
int(50)
- Output for 5.5.0 - 5.5.35
- int(42)
int(50)
=======
int(42)
Strict Standards: Only variables should be passed by reference in /in/RXL3B on line 22
int(42)
- Output for 5.2.1 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45
- int(42)
int(50)
=======
int(42)
int(42)
- Output for 5.1.2 - 5.1.6, 5.2.0
- int(42)
int(42)
=======
int(42)
int(42)
preferences:
303.38 ms | 401 KiB | 345 Q