Computes the intersection of arrays
Syntax
array_intersect ( array $array1 , array $array2 [, array $... ] ) : array
Parameters
array1The array with master values to check.
array2An array to compare values against.
...A variable list of arrays to compare.
Return
Returns an array containing all of the values in array1 whose values exist in all of the parameters.
Examples
1 · array1 array2
<?
$array1 = array("a" => 0, "b" => 1, "c" => 2, "d" => 3);
$array2 = array("a" => 0, "b" => 4, "e" => 2, "f" => 5);
$return = array_intersect($array1, $array2);
print_r($return);
?>Array
(
[a] => 0
[c] => 2
)
2 · ...
<?
$array1 = array("a" => 0, "b" => 1, "c" => 2, "d" => 3);
$array2 = array("a" => 0, "b" => 4, "e" => 2, "f" => 5);
$array3 = array("a" => 0, "b" => 4, "e" => 2, "f" => 5);
$return = array_intersect($array1, $array2, $array3);
print_r($return);
?>Array
(
[a] => 0
[c] => 2
)
