3v4l.org

run code in 300+ PHP versions simultaneously
<?php $abc = array( 'a' => array('Aron','M'), 'b' => array('Abbey','D'), 'c' => array('Alice','P')); function cmp($a, $b) { array_pop($a); array_pop($b); $res = strcmp($a,$b); if ( $res == 0) { return 0; } return ($res < 0) ? -1 : 1; } usort($abc, "cmp"); foreach ($a as $key => $value) { echo "$key: $value\n"; }
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught TypeError: strcmp(): Argument #1 ($string1) must be of type string, array given in /in/m8hqK:11 Stack trace: #0 /in/m8hqK(11): strcmp(Array, Array) #1 [internal function]: cmp(Array, Array) #2 /in/m8hqK(17): usort(Array, 'cmp') #3 {main} thrown in /in/m8hqK on line 11
Process exited with code 255.
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Warning: strcmp() expects parameter 1 to be string, array given in /in/m8hqK on line 11 Warning: strcmp() expects parameter 1 to be string, array given in /in/m8hqK on line 11 Notice: Undefined variable: a in /in/m8hqK on line 19 Warning: Invalid argument supplied for foreach() in /in/m8hqK on line 19
Output for 7.3.32 - 7.3.33
Warning: strcmp() expects parameter 1 to be string, array given in /in/m8hqK on line 11 Warning: strcmp() expects parameter 1 to be string, array given in /in/m8hqK on line 11 Warning: Invalid argument supplied for foreach() in /in/m8hqK on line 19
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Notice: Array to string conversion in /in/m8hqK on line 11 Notice: Array to string conversion in /in/m8hqK on line 11 Notice: Array to string conversion in /in/m8hqK on line 11 Notice: Array to string conversion in /in/m8hqK on line 11 Notice: Undefined variable: a in /in/m8hqK on line 19 Warning: Invalid argument supplied for foreach() in /in/m8hqK on line 19
Output for 4.3.0 - 4.3.10, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5
Notice: Array to string conversion in /in/m8hqK on line 11 Notice: Array to string conversion in /in/m8hqK on line 11 Notice: Array to string conversion in /in/m8hqK on line 11 Notice: Array to string conversion in /in/m8hqK on line 11 Warning: Invalid argument supplied for foreach() in /in/m8hqK on line 19
Output for 4.3.11
Notice: Array to string conversion in /in/m8hqK on line 11 Notice: Array to string conversion in /in/m8hqK on line 11 Notice: Array to string conversion in /in/m8hqK on line 11 Notice: Array to string conversion in /in/m8hqK on line 11
preferences:
297.11 ms | 401 KiB | 464 Q