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run code in 300+ PHP versions simultaneously
<?php $arr = [ 'chleb' => 'skiny/1.jpg', 'mienso' => 'skiny/2.jpg', 'mienso2' => 'skiny/2.jpg', 'mienso3' => 'skiny/2.jpg', 'mienso4' => 'skiny/2.jpg', 'mienso5' => 'skiny/2.jpg', 'Hasasdasd' => 'skiny/2.jpg', ]; $keys = array_keys($arr); Var_dump($keys);
Output for 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 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 - 8.3.7
array(7) { [0]=> string(5) "chleb" [1]=> string(6) "mienso" [2]=> string(7) "mienso2" [3]=> string(7) "mienso3" [4]=> string(7) "mienso4" [5]=> string(7) "mienso5" [6]=> string(9) "Hasasdasd" }
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(7) { [0]=> string(5) "chleb" [1]=> string(6) "mienso" [2]=> string(7) "mienso2" [3]=> string(7) "mienso3" [4]=> string(7) "mienso4" [5]=> string(7) "mienso5" [6]=> string(9) "Hasasdasd" }

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161.14 ms | 402 KiB | 158 Q