<?php
function &pre_inc(&$a) {
return ++$a;
}
$a = 5;
$b = &$a;
//echo $a;
//echo $b;
$c = &pre_inc($a);
echo $c;
echo $d;
$d = $b++;
echo $c;
echo $d;
echo $c.$d;
- Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
- Notice: Only variable references should be returned by reference in /in/JrjhN on line 4
6
Warning: Undefined variable $d in /in/JrjhN on line 13
6666
- Output for 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 7.3.31, 7.4.0 - 7.4.25, 7.4.27 - 7.4.33
- Notice: Only variable references should be returned by reference in /in/JrjhN on line 4
6
Notice: Undefined variable: d in /in/JrjhN on line 13
6666
- Output for 7.3.32 - 7.3.33, 7.4.26
- 66666
- Output for 5.0.4 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35
- 6
Notice: Undefined variable: d in /in/JrjhN on line 13
7676
- Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.3
- 6
Notice: Undefined variable: d in /in/JrjhN on line 13
7676
preferences:
200.84 ms | 402 KiB | 313 Q