array_column($arr,'valColumn','keyColumn');
此方法是用户二维数组,如下例子:
$arr=array(
array('id'=>1,'name'=>'MYSQL','sub_name'=>'mysql'),
array('id'=>2,'name'=>'Oracle','sub_name'=>'oracle'),
array('id'=>3,'name'=>'Redis','sub_name'=>'redis'),
);
var_dump(array_column($arr,'name','sub_name'));
运行结果:
如果需要一列值:
array_column($arr,'name');
运行结果: