<?php

	function my_sort($arrays,$sort_key,$sort_order=SORT_ASC,$sort_type=SORT_NUMERIC ){ 
		if(is_array($arrays)){ 
			foreach ($arrays as $array){ 
				if(is_array($array)){ 
					$key_arrays[] = $array[$sort_key]; 
				}else{ 
					return false; 
				} 
			} 
		}else{ 
			return false; 
		}
		array_multisort($key_arrays,$sort_order,$sort_type,$arrays); 
		return $arrays; 
	}

	$person =  array(
					array('id'=>1,'name'=>'fj','weight'=>100,'height'=>180),
					array('id'=>2,'name'=>'tom','weight'=>53,'height'=>150),
					array('id'=>3,'name'=>'jerry','weight'=>120,'height'=>156),
					array('id'=>4,'name'=>'bill','weight'=>110,'height'=>190),
					array('id'=>5,'name'=>'linken','weight'=>80,'height'=>200),
					array('id'=>6,'name'=>'madana','weight'=>95,'height'=>110),
					array('id'=>7,'name'=>'jordan','weight'=>70,'height'=>170)
				);
	
	var_dump($person);
	
	$person = my_sort($person,'name',SORT_ASC,SORT_STRING);

	var_dump($person);
	
	$person = my_sort($person,'weight');

	var_dump($person);
?>