array_intersect
Computes the intersection of arrays
Description
arrayarray_intersect
arrayarray1
arrayarray2
array ...
array_intersect returns an array
containing all the values of array1
that are present in all the arguments.
Note that keys are preserved.
<function>array_intersect</function> example
"green", "red", "blue");
$array2 = array("b" => "green", "yellow", "red");
$result = array_intersect($array1, $array2);
print_r($result);
?>
]]>
&example.outputs;
green
[0] => red
)
]]>
Two elements are considered equal if and only if
(string) $elem1 === (string) $elem2. In words:
when the string representation is the same.
See also array_intersect_assoc,
array_diff, and
array_diff_assoc.