array_column(array$input,$column_key,$index_key) 第一个参数为原始数组,第二个参数(多维数组键名)为新数组的值,第三个参数(多维数组键名)为键.结果为一个键值对数组 $array = [['id' = 1,'name' = 'tom','age' = 18],['id' = 2,'name' = 'jack','age' = 1
array_column( array $input , $column_key , $index_key)
第一个参数为原始数组,第二个参数(多维数组键名)为新数组的值,第三个参数(多维数组键名)为键.结果为一个键值对数组
$array = [ ['id' => 1,'name' => 'tom','age' => 18], ['id' => 2,'name' => 'jack','age' => 19], ['id' => 3,'name' => 'mick','age' => 20], ['id' => 4,'name' => 'lucy','age' => 21], ['id' => 5,'name' => 'bill','age' => 22],];$arr = array_column($array,'name','id');echo '';print_r($arr);result:array( [1] => tom [2] => jack [3] => mick [4] => lucy [5] => bill)