array_intersect
Computes the intersection of arrays
Syntax
array_intersect ( array $array1 , array $array2 [, array $... ] ) : array
Parameters
array1
The array with master values to check.
array2
An 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
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
)
...
<?
$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
)
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