
PHP 代码求救啊~~~ 求大神帮我写一小段代码~~ 感谢了~~~
下面这段代码。按wight升序按height降序。。。。求救啊~~~~$arr=array(array('id'=>5,'wight'=>40,'height'=>324...
下面这段代码。
按wight 升序
按height 降序。。。。求救啊~~~~
$arr = array(
array('id' => 5, 'wight' => 40, 'height' => 324),
array('id' => 76, 'wight' => 21, 'height' => 343),
array('id' => 23, 'wight' => 43, 'height' => 23),
array('id' => 42, 'wight' => 56, 'height' => 543),
array('id' => 322, 'wight' => 23, 'height' => 345),
array('id' => 232, 'wight' => 50, 'height' => 5643)
); 展开
按wight 升序
按height 降序。。。。求救啊~~~~
$arr = array(
array('id' => 5, 'wight' => 40, 'height' => 324),
array('id' => 76, 'wight' => 21, 'height' => 343),
array('id' => 23, 'wight' => 43, 'height' => 23),
array('id' => 42, 'wight' => 56, 'height' => 543),
array('id' => 322, 'wight' => 23, 'height' => 345),
array('id' => 232, 'wight' => 50, 'height' => 5643)
); 展开
展开全部
<?php
function array_sort($arr,$keys,$type='asc'){
$keysvalue = $new_array = array();
foreach ($arr as $k=>$v){
$keysvalue[$k] = $v[$keys];
}
if($type == 'asc'){
asort($keysvalue);
}else{
arsort($keysvalue);
}
reset($keysvalue);
foreach ($keysvalue as $k=>$v){
$new_array[$k] = $arr[$k];
}
return $new_array;
}
$arr = array(
array('id' => 5, 'wight' => 40, 'height' => 324),
array('id' => 76, 'wight' => 21, 'height' => 343),
array('id' => 23, 'wight' => 43, 'height' => 23),
array('id' => 42, 'wight' => 56, 'height' => 543),
array('id' => 322, 'wight' => 23, 'height' => 345),
array('id' => 232, 'wight' => 50, 'height' => 5643)
);
$a=array_sort($arr,"wight");
$a=array_sort($a,"height","desc");
print_r($a);
?>
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