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run code in 300+ PHP versions simultaneously
<?php $str = "Hello World"; $array = str_split(str_replace(' ', '', $str), 1); $array = array_count_values($array); array_multisort(array_keys($array), SORT_NATURAL, $array); print_r($array);
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 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 ( [H] => 1 [W] => 1 [d] => 1 [e] => 1 [l] => 3 [o] => 2 [r] => 1 )
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 ( [H] => 1 [W] => 1 [d] => 1 [e] => 1 [l] => 3 [o] => 2 [r] => 1 )
preferences:
254.8 ms | 402 KiB | 300 Q