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<?php $a = '0.3'; $b = '.5'; $c = '4'; $d = 'F'; $e = 'z'; $f = 4; $r1 = sort(array($d, $e, $a, $f, $b, $c)); $r2 = sort(array($d, $e, $b, $f, $c, $a)); var_dump($r1); var_dump($r2);
Output for 8.3.0 - 8.3.7
Fatal error: Uncaught Error: sort(): Argument #1 ($array) could not be passed by reference in /in/gZRf1:5 Stack trace: #0 {main} thrown in /in/gZRf1 on line 5
Process exited with code 255.
Output for 8.1.23 - 8.1.28, 8.2.10 - 8.2.18
Fatal error: Uncaught Error: sort(): Argument #1 ($array) cannot be passed by reference in /in/gZRf1:5 Stack trace: #0 {main} thrown in /in/gZRf1 on line 5
Process exited with code 255.
Output for 5.3.0 - 5.3.28, 5.4.0 - 5.4.23
Fatal error: Only variables can be passed by reference in /in/gZRf1 on line 5
Process exited with code 255.
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