array_reverse(
array,preserve)
参数 描述 array 必需。规定数组。 preserve 可选。规定是否保留原始数组的键名。 可能的值:
truefalse
程序实例:
<?php $a=array("Volvo","XC90",array("BMW","Toyota")); $reverse=array_reverse($a); $preserve=array_reverse($a,true); print_r($a); print_r($reverse); print_r($preserve); ?>
结果:
Array ( [0] => Volvo [1] => XC90 [2] => Array ( [0] => BMW [1] => Toyota ) )
Array ( [0] => Array ( [0] => BMW [1] => Toyota ) [1] => XC90 [2] => Volvo )
Array ( [2] => Array ( [0] => BMW [1] => Toyota ) [1] => XC90 [0] => Volvo )
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