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Online Sandbox for SQL and PHP: Write, Run, Test, and Share SQL Queries and PHP Code
<?php
$arr1 = [
33 => [
0 => 30319,
1 => 30318,
2 => 30315,
3 => 50209
]
];
$arr2 = [
33 => [
0 => 50209,
1 => 50149,
2 => 30315,
],
32 => [
0 => 12345
]
];
$arr2keys = array_keys($arr2);
$arr1keys = array_keys($arr1);
$dif = [];
foreach (array_merge(array_values($arr1keys), array_values($arr2keys)) as $k) {
$dif[] = array_diff($arr1[$k], $arr2[$k]);
}
print_r($dif);