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<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <title>PHP Change the Case of Each String Value of an Array</title> </head> <body> <pre> <?php // Sample arrays $fruits = array("apple", "banana", "orange", "mango"); // Applying callback function to each element $result = array_map("strtoupper", $fruits); print_r($result); ?> </pre> </body> </html>
