rsort

(PHP 4, PHP 5, PHP 7)

rsort — 锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷

说锟斤拷

rsort ( array &$array [, int $sort_flags = SORT_REGULAR ] ) : bool

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Note:

If two members compare as equal, their relative order in the sorted array is undefined.

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array

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sort_flags

锟斤拷锟斤拷锟矫匡拷选锟斤拷锟斤拷 sort_flags 锟侥憋拷锟斤拷锟斤拷锟斤拷锟轿拷锟斤拷锟斤拷锟斤拷 sort()锟斤拷

锟斤拷锟斤拷值

锟缴癸拷时锟斤拷锟斤拷 TRUE锟斤拷 锟斤拷锟斤拷锟斤拷失锟斤拷时锟斤拷锟斤拷 FALSE锟斤拷

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Example #1 rsort() 锟斤拷

<?php
$fruits = array("lemon", "orange", "banana", "apple");
rsort($fruits);
foreach ($fruits as $key => $val) {
    echo "$key = $val\n";
}
?>

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0 = orange
1 = lemon
2 = banana
3 = apple

fruits 锟斤拷锟斤拷锟斤拷锟斤拷母顺锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷

注锟斤拷

Note: 锟剿猴拷锟斤拷为 array 锟叫碉拷元锟截革拷锟斤拷锟铰的硷拷锟斤拷锟斤拷锟解将删锟斤拷原锟叫的硷拷锟斤拷锟斤拷锟斤拷锟斤拷锟角斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷

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