3v4l.org

run code in 300+ PHP versions simultaneously
<?php $cats = []; $cats[] = [ "name" => 'Frisky', "favorite_show" => 'Cats and Dogs' ]; $cats[] = [ "name" => 'Meowie', "favorite_show" => 'Dogs chasing Cats' ]; $cats[] = [ "name" => 'Caesar', "favorite_show" => 'All Cats Rule' ]; $cats[] = [ "name" => 'Dot', "favorite_show" => 'No cats suck' ]; usort($cats, function($a, $b) { return strcmp($a->favorite_show, $b->favorite_show); }); var_dump($cats); ?>
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Warning: Attempt to read property "favorite_show" on array in /in/oKQJO on line 9 Warning: Attempt to read property "favorite_show" on array in /in/oKQJO on line 9 Deprecated: strcmp(): Passing null to parameter #1 ($string1) of type string is deprecated in /in/oKQJO on line 9 Deprecated: strcmp(): Passing null to parameter #2 ($string2) of type string is deprecated in /in/oKQJO on line 9 Warning: Attempt to read property "favorite_show" on array in /in/oKQJO on line 9 Warning: Attempt to read property "favorite_show" on array in /in/oKQJO on line 9 Deprecated: strcmp(): Passing null to parameter #1 ($string1) of type string is deprecated in /in/oKQJO on line 9 Deprecated: strcmp(): Passing null to parameter #2 ($string2) of type string is deprecated in /in/oKQJO on line 9 Warning: Attempt to read property "favorite_show" on array in /in/oKQJO on line 9 Warning: Attempt to read property "favorite_show" on array in /in/oKQJO on line 9 Deprecated: strcmp(): Passing null to parameter #1 ($string1) of type string is deprecated in /in/oKQJO on line 9 Deprecated: strcmp(): Passing null to parameter #2 ($string2) of type string is deprecated in /in/oKQJO on line 9 array(4) { [0]=> array(2) { ["name"]=> string(6) "Frisky" ["favorite_show"]=> string(13) "Cats and Dogs" } [1]=> array(2) { ["name"]=> string(6) "Meowie" ["favorite_show"]=> string(17) "Dogs chasing Cats" } [2]=> array(2) { ["name"]=> string(6) "Caesar" ["favorite_show"]=> string(13) "All Cats Rule" } [3]=> array(2) { ["name"]=> string(3) "Dot" ["favorite_show"]=> string(12) "No cats suck" } }
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: Attempt to read property "favorite_show" on array in /in/oKQJO on line 9 Warning: Attempt to read property "favorite_show" on array in /in/oKQJO on line 9 Deprecated: strcmp(): Passing null to parameter #1 ($string1) of type string is deprecated in /in/oKQJO on line 9 Deprecated: strcmp(): Passing null to parameter #2 ($string2) of type string is deprecated in /in/oKQJO on line 9 Warning: Attempt to read property "favorite_show" on array in /in/oKQJO on line 9 Warning: Attempt to read property "favorite_show" on array in /in/oKQJO on line 9 Deprecated: strcmp(): Passing null to parameter #1 ($string1) of type string is deprecated in /in/oKQJO on line 9 Deprecated: strcmp(): Passing null to parameter #2 ($string2) of type string is deprecated in /in/oKQJO on line 9 Warning: Attempt to read property "favorite_show" on array in /in/oKQJO on line 9 Warning: Attempt to read property "favorite_show" on array in /in/oKQJO on line 9 Deprecated: strcmp(): Passing null to parameter #1 ($string1) of type string is deprecated in /in/oKQJO on line 9 Deprecated: strcmp(): Passing null to parameter #2 ($string2) of type string is deprecated in /in/oKQJO on line 9 array(4) { [0]=> array(2) { ["name"]=> string(6) "Frisky" ["favorite_show"]=> string(13) "Cats and Dogs" } [1]=> array(2) { ["name"]=> string(6) "Meowie" ["favorite_show"]=> string(17) "Dogs chasing Cats" } [2]=> array(2) { ["name"]=> string(6) "Caesar" ["favorite_show"]=> string(13) "All Cats Rule" } [3]=> array(2) { ["name"]=> string(3) "Dot" ["favorite_show"]=> string(12) "No cats suck" } }
Output for 8.0.0 - 8.0.30
Warning: Attempt to read property "favorite_show" on array in /in/oKQJO on line 9 Warning: Attempt to read property "favorite_show" on array in /in/oKQJO on line 9 Warning: Attempt to read property "favorite_show" on array in /in/oKQJO on line 9 Warning: Attempt to read property "favorite_show" on array in /in/oKQJO on line 9 Warning: Attempt to read property "favorite_show" on array in /in/oKQJO on line 9 Warning: Attempt to read property "favorite_show" on array in /in/oKQJO on line 9 array(4) { [0]=> array(2) { ["name"]=> string(6) "Frisky" ["favorite_show"]=> string(13) "Cats and Dogs" } [1]=> array(2) { ["name"]=> string(6) "Meowie" ["favorite_show"]=> string(17) "Dogs chasing Cats" } [2]=> array(2) { ["name"]=> string(6) "Caesar" ["favorite_show"]=> string(13) "All Cats Rule" } [3]=> array(2) { ["name"]=> string(3) "Dot" ["favorite_show"]=> string(12) "No cats suck" } }
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Notice: Trying to get property 'favorite_show' of non-object in /in/oKQJO on line 9 Notice: Trying to get property 'favorite_show' of non-object in /in/oKQJO on line 9 Notice: Trying to get property 'favorite_show' of non-object in /in/oKQJO on line 9 Notice: Trying to get property 'favorite_show' of non-object in /in/oKQJO on line 9 Notice: Trying to get property 'favorite_show' of non-object in /in/oKQJO on line 9 Notice: Trying to get property 'favorite_show' of non-object in /in/oKQJO on line 9 array(4) { [0]=> array(2) { ["name"]=> string(6) "Frisky" ["favorite_show"]=> string(13) "Cats and Dogs" } [1]=> array(2) { ["name"]=> string(6) "Meowie" ["favorite_show"]=> string(17) "Dogs chasing Cats" } [2]=> array(2) { ["name"]=> string(6) "Caesar" ["favorite_show"]=> string(13) "All Cats Rule" } [3]=> array(2) { ["name"]=> string(3) "Dot" ["favorite_show"]=> string(12) "No cats suck" } }
Output for 7.3.32 - 7.3.33
array(4) { [0]=> array(2) { ["name"]=> string(6) "Frisky" ["favorite_show"]=> string(13) "Cats and Dogs" } [1]=> array(2) { ["name"]=> string(6) "Meowie" ["favorite_show"]=> string(17) "Dogs chasing Cats" } [2]=> array(2) { ["name"]=> string(6) "Caesar" ["favorite_show"]=> string(13) "All Cats Rule" } [3]=> array(2) { ["name"]=> string(3) "Dot" ["favorite_show"]=> string(12) "No cats suck" } }
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33
Notice: Trying to get property of non-object in /in/oKQJO on line 9 Notice: Trying to get property of non-object in /in/oKQJO on line 9 Notice: Trying to get property of non-object in /in/oKQJO on line 9 Notice: Trying to get property of non-object in /in/oKQJO on line 9 Notice: Trying to get property of non-object in /in/oKQJO on line 9 Notice: Trying to get property of non-object in /in/oKQJO on line 9 array(4) { [0]=> array(2) { ["name"]=> string(6) "Frisky" ["favorite_show"]=> string(13) "Cats and Dogs" } [1]=> array(2) { ["name"]=> string(6) "Meowie" ["favorite_show"]=> string(17) "Dogs chasing Cats" } [2]=> array(2) { ["name"]=> string(6) "Caesar" ["favorite_show"]=> string(13) "All Cats Rule" } [3]=> array(2) { ["name"]=> string(3) "Dot" ["favorite_show"]=> string(12) "No cats suck" } }
Output for 5.6.0 - 5.6.40
Notice: Trying to get property of non-object in /in/oKQJO on line 9 Notice: Trying to get property of non-object in /in/oKQJO on line 9 Notice: Trying to get property of non-object in /in/oKQJO on line 9 Notice: Trying to get property of non-object in /in/oKQJO on line 9 Notice: Trying to get property of non-object in /in/oKQJO on line 9 Notice: Trying to get property of non-object in /in/oKQJO on line 9 Notice: Trying to get property of non-object in /in/oKQJO on line 9 Notice: Trying to get property of non-object in /in/oKQJO on line 9 array(4) { [0]=> array(2) { ["name"]=> string(3) "Dot" ["favorite_show"]=> string(12) "No cats suck" } [1]=> array(2) { ["name"]=> string(6) "Caesar" ["favorite_show"]=> string(13) "All Cats Rule" } [2]=> array(2) { ["name"]=> string(6) "Meowie" ["favorite_show"]=> string(17) "Dogs chasing Cats" } [3]=> array(2) { ["name"]=> string(6) "Frisky" ["favorite_show"]=> string(13) "Cats and Dogs" } }
preferences:
229.92 ms | 404 KiB | 296 Q