3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array('11-01-2012', '01-01-2014', '01-01-2015', '09-02-2013', '01-01-2013'); function date_sort($a, $b) { return strtotime($a) - strtotime($b); } rsort($arr, "date_sort"); print_r($arr);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Fatal error: Uncaught TypeError: rsort(): Argument #2 ($flags) must be of type int, string given in /in/JXPLD:6 Stack trace: #0 /in/JXPLD(6): rsort(Array, 'date_sort') #1 {main} thrown in /in/JXPLD on line 6
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 TypeError: rsort(): Argument #2 ($flags) must be of type int, string given in /in/JXPLD:6 Stack trace: #0 /in/JXPLD(6): rsort(Array, 'date_sort') #1 {main} thrown in /in/JXPLD on line 6
Process exited with code 255.
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: rsort() expects parameter 2 to be int, string given in /in/JXPLD on line 6 Array ( [0] => 11-01-2012 [1] => 01-01-2014 [2] => 01-01-2015 [3] => 09-02-2013 [4] => 01-01-2013 )
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34
Warning: rsort() expects parameter 2 to be integer, string given in /in/JXPLD on line 6 Array ( [0] => 11-01-2012 [1] => 01-01-2014 [2] => 01-01-2015 [3] => 09-02-2013 [4] => 01-01-2013 )
Output for 5.6.0 - 5.6.40
Warning: rsort() expects parameter 2 to be long, string given in /in/JXPLD on line 6 Array ( [0] => 11-01-2012 [1] => 01-01-2014 [2] => 01-01-2015 [3] => 09-02-2013 [4] => 01-01-2013 )
preferences:
250.02 ms | 402 KiB | 300 Q