目前,我按字符串长度排序数组.但是,当字符串长度相等时,我如何按值排序？
举个例子,我目前的代码：
$array = array("A","BC","AA","C","BB","B");
function lensort($a,$b){
return strlen($a)-strlen($b);
}
usort($array,'lensort');
print_r($array);
输出：
Array
(
[0] => C
[1] => A
[2] => B
[3] => BB
[4] => AA
[5] => BC
)
但是,我希望它按以下方式排序：
Array
(
[0] => A
[1] => B
[2] => C
[3] => AA
[4] => BB
[5] => BC
)
将两个检查合并到比较器中：
原文链接：https://www.f2er.com/php/137858.htmlfunction lensort($a,$b){
$la = strlen( $a); $lb = strlen( $b);
if( $la == $lb) {
return strcmp( $a,$b);
}
return $la - $lb;
}
你可以从this demo看到这个打印：
Array
(
[0] => A
[1] => B
[2] => C
[3] => AA
[4] => BB
[5] => BC
)
