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run code in 300+ PHP versions simultaneously
<?php $alpha = 'aabbccddeeffgghhiijjkk'; $alphaArray = str_split($alpha); $uniqArray = array_unique($alphaArray); var_dump($uniqArray);
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 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(11) { [0]=> string(1) "a" [2]=> string(1) "b" [4]=> string(1) "c" [6]=> string(1) "d" [8]=> string(1) "e" [10]=> string(1) "f" [12]=> string(1) "g" [14]=> string(1) "h" [16]=> string(1) "i" [18]=> string(1) "j" [20]=> string(1) "k" }
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(11) { [0]=> string(1) "a" [2]=> string(1) "b" [4]=> string(1) "c" [6]=> string(1) "d" [8]=> string(1) "e" [10]=> string(1) "f" [12]=> string(1) "g" [14]=> string(1) "h" [16]=> string(1) "i" [18]=> string(1) "j" [20]=> string(1) "k" }

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