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<?php usort($a=[1, 4, 5, 3, 2], function($a, $b) { return $a > $b ; }); print_r($a);
Output for 8.3.0 - 8.3.4, 8.3.6 - 8.3.7
Fatal error: Uncaught Error: usort(): Argument #1 ($array) could not be passed by reference in /in/WFCXM:3 Stack trace: #0 {main} thrown in /in/WFCXM on line 3
Process exited with code 255.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Fatal error: Uncaught Error: usort(): Argument #1 ($array) could not be passed by reference in /in/WFCXM:3 Stack trace: #0 {main} thrown in /in/WFCXM on line 3
Process exited with code 255.
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18
Fatal error: Uncaught Error: usort(): Argument #1 ($array) cannot be passed by reference in /in/WFCXM:3 Stack trace: #0 {main} thrown in /in/WFCXM on line 3
Process exited with code 255.
Output for 7.3.0 - 7.3.31, 7.3.33, 7.4.0 - 7.4.25, 7.4.27 - 7.4.33
Notice: Only variables should be passed by reference in /in/WFCXM on line 3 Array ( [0] => 1 [1] => 4 [2] => 5 [3] => 3 [4] => 2 )
Output for 7.3.32, 7.4.26
Array ( [0] => 1 [1] => 4 [2] => 5 [3] => 3 [4] => 2 )
preferences:
161.07 ms | 401 KiB | 154 Q