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<?php function &pre_inc(&$a) { return ++$a; } $a = 5; $b = &$a; //echo $a; //echo $b; $c = &pre_inc($a); echo $c; $d = $b++; echo $c; echo $d; echo $c.$d;
Output for 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 - 7.3.31, 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
Notice: Only variable references should be returned by reference in /in/QjJvE on line 4 66666
Output for 7.3.32 - 7.3.33
66666
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38
67676
preferences:
228.06 ms | 403 KiB | 358 Q