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PHP Function array_intersect()
Syntax
array array_intersect ( array $array1, array $array2 [, array $array3 ...] );
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Definition and Usage
Returns an array containing all the values of array1 that are present in all the arguments. Note that keys are preserved.
Paramters
Parameter | Description |
array1 | Required. The first array is the array that the others will be compared with. |
array2 | Required. An array to be compared with the first array |
array3 | Optional. An array to be compared with the first array |
Return Values
Returns an array containing all the entries from array1 that are not present in any of the other arrays.
Example
Try out following example:
<?php
$array1 = array("a" => "green", "red", "blue");
$array2 = array("b" => "green", "yellow", "red");
$result = array_intersect($array1, $array2);
print_r($result);
?>
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This will produce following result:
Array ( [a] => green [0] => red)
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