Online PHP editor | refs for ojZ1O

@ 2022-03-29T18:16:51Z

<?php

$requiredFields = ['name', 'age', 'hair_colour'];

// Note: $errorArray is not initialised
foreach ( $requiredFields as $field ) {
    if ( ! isset($_POST[$field]) ) {
        $errorArray[] = "Missing required field '$field'. ";
    }
}
echo implode('', $errorArray);