Created
September 2, 2014 10:31
-
-
Save lovecn/29d9780abc1b59bfca13 to your computer and use it in GitHub Desktop.
对二维数组按一维数组指定顺序排序
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
$mysort = new mysort; | |
$mysort->ceshi(); | |
class mysort{ | |
public function ceshi() | |
{ | |
$arr1 = array( | |
array('id' => 1, 'name' => 'yhp'), | |
array('id' => 2, 'name' => 'yhp2'), | |
array('id' => 3, 'name' => 'yhp3'), | |
array('id' => 4, 'name' => 'yhp4'), | |
array('id' => 5, 'name' => 'yhp5'), | |
array('id' => 6, 'name' => 'yhp6'), | |
array('id' => 7, 'name' => 'yhp7'), | |
array('id' => 8, 'name' => 'yhp8'), | |
array('id' => 9, 'name' => 'yhp9'), | |
array('id' => 10,'name' => 'yhp10'), | |
); | |
echo "排序前的数组:<pre>"; | |
print_r($arr1); | |
usort($arr1, array($this, "compare")); | |
echo "排序后的数组:"; | |
print_r($arr1); | |
} | |
public function compare($a, $b) | |
{ | |
$arr2 = array(6,8,7,9,3,2,4,1,5,10,11,12); | |
return (array_search($a['id'], $arr2) < array_search($b['id'], $arr2)) ? -1 : 1; | |
} | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment