3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str="I love to code"; $parts=explode(" ", $str); $keys = array_keys($parts); $values = array_values($parts); array_multisort(array_map('strlen', $values), SORT_ASC, $keys, SORT_ASC, $parts); $new_str = implode(" ", $parts); echo $new_str; ?>

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108.2 ms | 1449 KiB | 5 Q