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Ingy döt Net 2013-04-10 23:57:08 -07:00
parent 47bf37c096
commit b83f433714
12433 changed files with 156208 additions and 123 deletions
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12
Task/Run-length-encoding/PHP/run-length-encoding.php Normal file
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<?php
function encode($str) {
return preg_replace('/(.)\1*/e', 'strlen($0) . $1', $str);
}
function decode($str) {
return preg_replace('/(\d+)(\D)/e', 'str_repeat($2, $1)', $str);
}
echo encode('WWWWWWWWWWWWBWWWWWWWWWWWWBBBWWWWWWWWWWWWWWWWWWWWWWWWBWWWWWWWWWWWWWW'), "\n";
echo decode('12W1B12W3B24W1B14W'), "\n";
?>