- Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.29, 8.2.0 - 8.2.21, 8.3.0 - 8.3.9
- 65
<?php
function foo(&$bar) {
$qux = $bar;
$bar += 1;
return $qux;
}
$x = 5;
$y = foo($x);
echo $x;
echo $y;