1 <html> 2 <body> 3 <?php 4 function bubble_sort($array) { 5 for($i = 0; $i < count($array) - 1; $i++) { //$i為已經排過序的元素個數 6 for($j = 0; $j < count($array) - 1 - $i; $j++) { //$j為需要排序的元素個數,用總長減去$i 7 if($array[$j] > $array[$j + 1]) { //按升序排序 8 $temp = $array[$j]; 9 $array[$j] = $array[$j + 1];10 $array[$j + 1] = $temp;11 }12 }13 }14 return $array;15 }16 17 $array = array(5, 1, 4, 7, 7, 9, 0, 11);18 var_dump(bubble_sort($array));19 ?>20 </body>21 </html>
頁面輸出
array(8) { [0]=> int(0) [1]=> int(1) [2]=> int(4) [3]=> int(5) [4]=> int(7) [5]=> int(7) [6]=> int(9) [7]=> int(11) }
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