- Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
- 13
<?php
$a = 1;
$f = function() use (&$a) {
$_GLOBALS["a"] = 2;
$a = 2;
echo $a + 1;
};
echo $a;
$f();