<?php
$users = Array(
Array(
'userId' => 'user1',
'name' => 'Suman Mandal',
'age' => 20,
),
Array(
'userId' => 'user2',
'name' => 'Amit Halder',
'age' => 30,
),
Array(
'userId' => 'user3',
'name' => 'Asif Rahman',
'age' => 25,
),
Array(
'userId' => 'user4',
'name' => 'Gopal Ghosh',
'age' => 21,
)
);
$marks = Array(
Array(
'userId' => 'user1',
'marks'=>80,
),
Array(
'userId' => 'user3',
'marks'=>90,
)
);
$users = array_column($users, null, 'userId');
$marks = array_column($marks, null, 'userId');
$marks_sheet = array_diff_key($marks, array_replace($marks, $users));
var_dump($marks_sheet);
preferences:
29.5 ms | 402 KiB | 5 Q