Live Demo: PHP Intersect Three Arrays Using Key Value Comparison Functions

 
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    <title>PHP Intersect Three Arrays Using Key Value Comparison Functions</title>
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<pre>
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<?php
// Sample arrays
$array1 = array("a"=>"apple", "b"=>"ball", "c"=>"cat", "d"=>"dog");
$array2 = array("A"=>"APPLE", "B"=>"BALL", "C"=>"CAMEL");
$array3 = array("a"=>"Apple", "b"=>"Banana");
​
// Computing the intersection
$result = array_uintersect_uassoc($array1, $array2, $array3, "strcasecmp", "strcasecmp");
print_r($result);
?>
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</pre>