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<?php $a = '0.3'; $b = '.5'; $c = '4'; $d = 'F'; $e = 'z'; $f = 4; var_dump(sort(array($d, $e, $a, $f, $b, $c))); var_dump(sort(array($d, $e, $b, $f, $c, $a)));
Output for git.master, git.master_jit
Fatal error: Uncaught Error: sort(): Argument #1 ($array) could not be passed by reference in /in/nqqQD:5 Stack trace: #0 {main} thrown in /in/nqqQD on line 5
Process exited with code 255.
Output for rfc.property-hooks
Fatal error: Uncaught Error: sort(): Argument #1 ($array) cannot be passed by reference in /in/nqqQD:5 Stack trace: #0 {main} thrown in /in/nqqQD on line 5
Process exited with code 255.

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