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run code in 300+ PHP versions simultaneously
<?php $vars = array('a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j'); $start = microtime(true); for($k=0;$k<100;$k++) { $str = ltrim(strrev(chunk_split(implode(array_reverse($vars)), 3, ';')),';'); } $end = microtime(true); echo $end - $start; echo "\n\n"; $start = microtime(true); for($k=0;$k<100;$k++) { $size = sizeOf($vars); for ($i = $size-3; $i > 0; $i-=3) { array_splice($vars,$i,0,";"); } } $end = microtime(true); echo $end - $start;

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33.88 ms | 402 KiB | 5 Q