合并多个数组,然后按数组值排序
问题描述:
请帮助我,我需要合并多个数组,然后按数组值排序。下面的问题是:合并多个数组,然后按数组值排序
$array1 = array("abc", "def", "ghi", "jkl", "mno");
$array2 = array("mno", "jkl", "mno", "ghi", "pqr", "stu");
$array3 = array_merge($array1, $array2);
$array4 = ???
print_r($array4);
我想要的$array4
回报这样的:
Array
(
[0] => mno
[1] => ghi
[2] => jkl
[3] => abc
[4] => def
[5] => pqr
[6] => stu
)
答
你可以这样做:
$array1 = array("abc", "def", "ghi", "jkl", "mno");
$array2 = array("mno", "jkl", "mno", "ghi", "pqr", "stu");
$array3 = array_merge($array1, $array2);
// get the array of count.
$array4 = array_count_values($array3);
// sort it in reverse order.
arsort($array4);
// extract just the keys.
$array4 = array_keys($array4);
Perfectttttttttttt – 2010-04-29 10:56:34
完美,非常感谢你顺便提一下 – Sofyan 2010-04-29 11:06:15
,是否可以合并e 3个或更多阵列? – Sofyan 2010-04-29 11:11:12