- var_dump: documentation ( source)
- array_unique: documentation ( source)
<?php
$arrays = [
[
"Hello",
"Test"
],
[
"Friend",
"Test"
],
[
"Hello",
"Code"
],
[
"Hello",
"Test"
],
[
"hello",
"Test"
],
[
"Hello",
"Test"
],
];
var_dump(array_unique($arrays, SORT_REGULAR));