3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(1,2,3,4); $b = array(1,2,3=>array('3a'),4); print_r( array_intersect($a, $b) );
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
Warning: Array to string conversion in /in/LPMCK on line 6 Warning: Array to string conversion in /in/LPMCK on line 6 Array ( [0] => 1 [1] => 2 [3] => 4 )
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 Warning: Array to string conversion in /in/LPMCK on line 6 Warning: Array to string conversion in /in/LPMCK on line 6 Array ( [0] => 1 [1] => 2 [3] => 4 )
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Notice: Array to string conversion in /in/LPMCK on line 6 Notice: Array to string conversion in /in/LPMCK on line 6 Array ( [0] => 1 [1] => 2 [3] => 4 )
Output for 7.3.32 - 7.3.33
Array ( [0] => 1 [1] => 2 [3] => 4 )
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Notice: Array to string conversion in /in/LPMCK on line 6 Notice: Array to string conversion in /in/LPMCK on line 6 Notice: Array to string conversion in /in/LPMCK on line 6 Array ( [0] => 1 [1] => 2 [3] => 4 )

preferences:
160.56 ms | 402 KiB | 198 Q