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run code in 300+ PHP versions simultaneously
<?php $arr = [ 'foo', 'foo', 'bar', 'baz', 'baz' ]; $arr2 = []; foreach ($arr as $v) { $lower = mb_strtolower($v, 'utf-8'); foreach ($arr2 as $v2) { $lower2 = mb_strtolower($v2, 'utf-8'); if ($lower === $lower2) { continue 2; } } $arr2[] = $v; } var_dump($arr2);
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(3) { [0]=> string(3) "foo" [1]=> string(3) "bar" [2]=> string(3) "baz" }
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(3) { [0]=> string(3) "foo" [1]=> string(3) "bar" [2]=> string(3) "baz" }
preferences:
187.88 ms | 402 KiB | 216 Q