Show Output
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <title>Get the First Index of an Array in PHP</title> </head> <body> <pre> <?php // Creating an indexed array $colors[1] = "red"; $colors[2] = "green"; $colors[3] = "blue"; // Getting the first index from the colors array echo array_key_first($colors); // Prints: 1 ?> </pre> </body> </html>
