array_unique
PHP 4 >= 4.0.1, PHP 5, PHP 7, PHP 8
array_unique - Removes duplicate values from an array
Example #1 array_unique example
Result: Array
(
[a] => green
[0] => red
[1] => blue
)
Example #2 array_unique and types
Result: array(2) {
[0] => int(4)
[2] => string(1) "3"
}