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<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <title>Fetch A Key From an Array in PHP</title> </head> <body> <pre> <?php // Sample array $alphabets = array("a"=>"apple", "b"=>"ball", "c"=>"cat", "d"=>"dog"); // Getting the current element's key echo key($alphabets) . "<br>"; // Prints: a /* Moving the array's internal pointer to the next element then fetch the key */ next($alphabets); echo key($alphabets); // Prints: b ?> </pre> </body> </html>
