(PHP 4 >= 4.3.0, PHP 5, PHP 7)
Computes the intersection of arrays with additional index check
array array_intersect_assoc ( array $array1, array $array2 [, array $... ] )
array_intersect_assoc() returns an array containing all the values of array1 that are present in all the arguments. Note that the keys are used in the comparison unlike in array_intersect().
Parameters:
array1
The array with master values to check.
array2
An array to compare values against.
...
A variable list of arrays to compare.
Returns:
Returns an associative array containing all the values in array1 that are present in all of the arguments.
Examples:
array_intersect_assoc() example
<?php
$array1 = array("a" => "green", "b" => "brown", "c" => "blue", "red");
$array2 = array("a" => "green", "b" => "yellow", "blue", "red");
$result_array = array_intersect_assoc($array1, $array2);
print_r($result_array);
?>
The above example will output:
Array
(
[a] => green
)
See also:
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