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PHP 讲解两种中数组排序函数使用方法

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Release： 2016-06-13 10:39:33
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array_reverse() 反向排序函数
函数传入参数为一数组，返回一个与传入参数值相同但顺序相反的数组。
$a = array(1,2,3,4,5);
$a = array_reverse($a);
for ($i=0; $iecho $a[$i]." ";
?>
结果为：
5 4 3 2 1

shuffle()  随机排序代码函数
函数对传入的数组进行随机排序，成功返回TRUE，否则返回FALSE。
$a = array(1,2,3,4,5);
shuffle($a);
for ($i=0; $iecho $a[$i]." ";
shuffle($a);
echo "
";
for ($i=0; $iecho $a[$i]." ";
?>
两次调用返回的结果：
4 1 2 5 3
1 5 2 4 3

Related labels：
array php one for Instructions function parameter reverse sort number array explain
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