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<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <title>PHP Diff of Associative Arrays Using Value Comparison Function</title> </head> <body> <pre> <?php // Sample arrays $array1 = array("a"=>"red", "b"=>"green", "c"=>"blue", "d"=>"yellow"); $array2 = array("x"=>"black", "y"=>"BLUE", "z"=>"Red"); // Computing the difference $result = array_udiff($array1, $array2, "strcasecmp"); print_r($result); ?> </pre> </body> </html>
