在保留密钥的同时随机排列数组

Posted 2021-02-27

function shuffle_with_keys(&$array) { 
	$aux = array(); 
	$keys = array_keys($array); 
	shuffle($keys); 
	foreach($keys as $key) { 
		$aux[$key] = $array[$key]; 
		unset($array[$key]); 
	} 
	$array = $aux;
}