3v4l.org

run code in 300+ PHP versions simultaneously
<?php $items = array(new \stdClass(), new \stdClass()); $copy = array(); foreach ($items as $item) { $copy[] = $item; } $udiff = array_udiff($items, $copy, function ($a, $b) { //var_dump($a, $b, $a === $b); return $a === $b; }); var_dump($udiff);
Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Deprecated: array_udiff(): Returning bool from comparison function is deprecated, return an integer less than, equal to, or greater than zero in /in/ZVPa3 on line 11 array(0) { }
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 Deprecated: array_udiff(): Returning bool from comparison function is deprecated, return an integer less than, equal to, or greater than zero in /in/ZVPa3 on line 11 array(0) { }
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28
Deprecated: array_udiff(): Returning bool from comparison function is deprecated, return an integer less than, equal to, or greater than zero in /in/ZVPa3 on line 14 array(0) { }
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
array(0) { }
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/ZVPa3 on line 4 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/ZVPa3 on line 4 Parse error: syntax error, unexpected T_FUNCTION in /in/ZVPa3 on line 11
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/ZVPa3 on line 4 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/ZVPa3 on line 4 Parse error: parse error, unexpected T_FUNCTION in /in/ZVPa3 on line 11
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/ZVPa3 on line 4 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/ZVPa3 on line 4 Parse error: parse error in /in/ZVPa3 on line 11
Process exited with code 255.
preferences:
237.44 ms | 401 KiB | 357 Q