3v4l.org

run code in 300+ PHP versions simultaneously
<?php function getCharacter($index) { $chars = "0123456789ABCDEFGHIJKLMOPQRSTUVWabcdefghijklmnopqrstuvw"; $c = ord(substr($chars, $index % strlen($chars))); return ord(substr($chars, ($index << $c) % strlen($chars))); } function main() { $array = array(176, 52, 608, 855); foreach ($array as $value) { echo "$value: " . getCharacter($value) . "\n"; } } //main(); $index = 855; $chars = "0123456789ABCDEFGHIJKLMOPQRSTUVWabcdefghijklmnopqrstuvw"; $length = strlen($chars); $per = $index % $length; $subst = substr($chars, $per); $disp = ord($subst); echo "Length: $length\n"; echo "Perc: $per\n"; echo "Substr: $subst\n"; echo "disp: $disp\n";
Output for git.master, git.master_jit, rfc.property-hooks
Length: 55 Perc: 30 Substr: VWabcdefghijklmnopqrstuvw disp: 86

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