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(PHP 4 >= 4.0.1, PHP 5, PHP 7, PHP 8)
array_intersect — Computes the intersection of arrays
array_intersect() returns an array
containing all the values of array
that are present in all the arguments.
Note that keys are preserved.
arrayThe array with master values to check.
arraysArrays to compare values against.
Returns an array containing all of the values in
array whose values exist in all of the parameters.
| Версія | Опис |
|---|---|
| 8.0.0 | Тепер ця функція може викликатись лише з одним параметром. Раніше потрібні були щонайменше два. |
Приклад #1 array_intersect() example
<?php
$array1 = array("a" => "green", "red", "blue");
$array2 = array("b" => "green", "yellow", "red");
$result = array_intersect($array1, $array2);
print_r($result);
?>Поданий вище приклад виведе:
Array
(
[a] => green
[0] => red
)
Зауваження: Two elements are considered equal if and only if
(string) $elem1 === (string) $elem2. In words: when the string representation is the same.