php - 如何删除数组键中的前缀

Question

我尝试删除数组键中的前缀，但每次尝试都失败了。我想要实现的是:

具有:数组 ( [attr_Size] => 3 [attr_Colour] => 7 )

获取:Array ( [Size] => 3 [Colour] => 7 )

非常感谢您的帮助...

Answer 1

获取方法之一:Array ( [Size] => 3 [Colour] => 7 ) 从你的拥有:Array ( [attr_Size] => 3 [attr_Colour] => 7 )

$new_arr = array();
foreach($Your_arr as $key => $value) {

list($dummy, $newkey) = explode('_', $key);
$new_arr[$newkey] = $value;

}

如果您认为键中会有多个下划线，只需将 foreach 中的第一行替换为 list($dummy, $newkey) = explode('attr_', $key);