3v4l.org

run code in 300+ PHP versions simultaneously
<?php $serials = [ [ "foo" => "", "bar" => "" ], [ "foo" => "", "bar" => "" ], [ "foo" => "", "bar" => "" ], [ "foo" => "", "bar" => "" ], [ "foo" => "", "bar" => "" ], [ "foo" => "Don't remove", "bar" => "me!" ] ]; $filteredArray = array_filter ($serials, function ($item) { var_dump(array_values($item)); return !empty([]); }); var_dump($filteredArray);
Output for 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, 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
array(2) { [0]=> string(0) "" [1]=> string(0) "" } array(2) { [0]=> string(0) "" [1]=> string(0) "" } array(2) { [0]=> string(0) "" [1]=> string(0) "" } array(2) { [0]=> string(0) "" [1]=> string(0) "" } array(2) { [0]=> string(0) "" [1]=> string(0) "" } array(2) { [0]=> string(12) "Don't remove" [1]=> string(3) "me!" } 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 array(2) { [0]=> string(0) "" [1]=> string(0) "" } array(2) { [0]=> string(0) "" [1]=> string(0) "" } array(2) { [0]=> string(0) "" [1]=> string(0) "" } array(2) { [0]=> string(0) "" [1]=> string(0) "" } array(2) { [0]=> string(0) "" [1]=> string(0) "" } array(2) { [0]=> string(12) "Don't remove" [1]=> string(3) "me!" } array(0) { }

preferences:
160.36 ms | 402 KiB | 204 Q