PHP - array_unique

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Metóda - array_unique

(PHP 4 >= 4.0.1, PHP 5, PHP 7)

Removes duplicate elements in an array. In the result array, each value occurs at most once. Keys are not affected. Elements are internally compared as strings using the === operator.

Procedurálne

• function array_unique (array $array, int $sort_flags = SORT_STRING) : array

Parametre

Názov	Dátový typ	Predvolená hodnota	Popis
$array	array		The input array.
$sort_flags	int	SORT_STRING	An optional parameter. We can use the following flags: SORT_REGULAR - Compares elements without changing the type. SORT_NUMERIC - Compares elements numerically. SORT_STRING - Compares elements as strings. SORT_LOCALE_STRING - Compares elements as strings based on a local setting set by setlocale().

Mávratovej hodnoty

Vracia: array

An array with unique values.

Príklady

<?php
$array = [1, 2, 2, 2, 3, 1, 5, 2, 6, 9, 5];
$unique = array_unique($array);

print_r($unique);