array_intersect_assoc
Computes the intersection of arrays with additional index check
Syntax
array_intersect_assoc ( 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 associative array containing all the values in array1 that are present in all of the arguments.
Examples
array1 array2
<?
$array1 = array("a" => 0, "b" => 1, "c" => 2, "d" => 3);
$array2 = array("a" => 0, "b" => 4, "e" => 2, "f" => 5);
$return = array_intersect_assoc($array1, $array2);
print_r($return);
?>
Array
(
[a] => 0
)
...
<?
$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);
$return = array_intersect_assoc($array1, $array2, $array3);
print_r($return);
?>
Array
(
[a] => 0
)