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 )
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Example #2 array_unique and types

Result: array(2) { [0] => int(4) [2] => string(1) "3" }
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Example #3 of array_unique

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Function array_unique:

Arrays Functions

Most used PHP functions