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<?php function &pre_inc(&$a) { return ++$a; } $a = 5; $b = &$a; $c = &pre_inc($a); $d = $b++; // echo $c.$d; $a = 5; $b = &$a; echo 'result'.++$a.$b++;
Output for 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.5 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.25, 7.4.27 - 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/a5Fmk on line 4 result66
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 - 5.5.36, 7.3.32 - 7.3.33, 7.4.26
result66
preferences:
245.13 ms | 403 KiB | 376 Q