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This article mainly introduces how to simply implement quick sorting in PHP, involving PHP's operating skills for array and string. It has certain reference value. Friends who need it can Refer to the following
The example of this article describes how to simply implement quick sorting in PHP. Share it with everyone for your reference. The specific implementation method is as follows
function quicksort($seq) { if(!count($seq)) return $seq; $k = $seq[0]; $x = $y = array(); for($i=count($seq); --$i;) { if($seq[$i] <= $k) { $x[] = $seq[$i]; } else { $y[] = $seq[$i]; } } return array_merge(quicksort($x),array($k),quicksort($y)); }
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