php二维数组，根据某一字段值，取出新的数组,有这样的函数吗？

Question

$a = [
    ['name' => 'fk', 'age' => 30],
    ['name' => 'yy', 'age' => 28],
    ['name' => 'zz', 'age' => 30],
    ['name' => 'ee', 'age' => 29],
];

取出age=30 的数组

$a = [
    ['name' => 'fk', 'age' => 30],
    ['name' => 'zz', 'age' => 30],
];

有这样的函数吗？

Answer 1

array_filter