Description
array array_intersect
(array array1, array array2 [, array ...])
Array_intersect() returns an array containing all the values of array1 that are present in all the arguments. Note that keys are preserved.
Example 1. Array_intersect() example
$array1 = array ("a" => "green", "red", "blue"); $array2 = array ("b" => "green", "yellow", "red"); $result = array_intersect ($array1, $array2); |
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This makes $result have array ("a" => "green", "red");
See also array_diff().