Show Output
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <title>Get the First Key of an Array in PHP</title> </head> <body> <pre> <?php // Sample array $persons = array("Harry"=>18, "Clark"=>32, "John"=>24); // Getting the first key from the persons array echo array_key_first($persons); // Prints: Harry ?> </pre> </body> </html>
