- <?php
- /*二维数组按指定的键值排序*/
- functionarray_sort($array,$keys,$type='asc'){
- if(!isset($array) || !is_array($array) ||emptyempty($array)){
- return'';
- }
- //排序字段名,如:id
- if(!isset($keys) || trim($keys)==''){
- return'';
- }
- //排序方式,如:desc、asc
- if(!isset($type) ||$type==''|| !in_array(strtolower($type),array('asc','desc'))){
- return'';
- }
- //定义一个数组
- $keysvalue=array();
- foreach($arrayas$key=>$val){
- //对排序字段值进行过滤
- $val[$keys] =str_replace('-','',$val[$keys]);
- $val[$keys] =str_replace(' ','',$val[$keys]);
- $val[$keys] =str_replace(':','',$val[$keys]);
- //将记录中指定的键名放入数组中,如:[0]=>5,[1]=>3,[2]=>6
- $keysvalue[] =$val[$keys];//排序字段,如:id 索引=》排序键名
- }
- asort($keysvalue);//按值升序排序,且保持键名与键值之间的索引关系,如:[1]=>3,[0]=>5,[2]=>6
- reset($keysvalue);//指针重新指向数组第一个
- foreach($keysvalueas$key=>$vals) {
- $keysort[] =$key;//0=>[1],1=>[0],2=>[2]
- }
- $keysvalue=array();
- $count=count($keysort);//排序记录数
- if(strtolower($type) !='asc'){//降序
- for($i=$count-1;$i>=0;$i--) {
- $keysvalue[] =$array[$keysort[$i]];
- }
- }else{//升序
- for($i=0;$i<$count;$i++){
- $keysvalue[] =$array[$keysort[$i]];
- }
- }
- return$keysvalue;
- }
- $array=array(
- array('name'=>'Tom','age'=>'23','like'=>'beer'),
- array('name'=>'Trump','age'=>'50','like'=>'Food'),
- array('name'=>'Jack','age'=>'26','like'=>'Travel')
- );
- print_r(array_sort($array,'age'));
- ?>
运行结果:
- Array
- (
- [0] => Array
- (
- [name] => Tom
- [age] => 23
- [like] => beer
- )
- [1] => Array
- (
- [name] => Jack
- [age] => 26
- [like] => Travel
- )
- [2] => Array
- (
- [name] => Trump
- [age] => 50
- [like] => Food
- )
- )
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