my_pmpro_birthday_phone.php

<?
/*
 *  Register Helper fields for Mobile Phone and Birthdate.
 *
 */

// Add All the content below this line to your to your PMPro Customizations page.

// We have to put everything in a function called on init, so we are sure Register Helper is loaded.
function my_pmprorh_init() {
	// Don't break if Register Helper is not loaded.
	if ( ! function_exists( 'pmprorh_add_registration_field' ) ) {
		return false;
	}
	// Define the fields.

	$fields = array();
	$fields[] = new PMProRH_Field(
		'date_of_birth',					// input name, will also be used as meta key
		'date',							// type of field
		array(
			'label'		=> 'Date Of Birth',	        // custom field label
			'size'		=> 40,				// input size
			'profile'	=> true,			// show in user profile
			'required'	=> false,			// make this field required
			'memberslistcsv' => true,		// addes this to csv export
			'addmember'      => true,              // include when using add member from admin
		)
	);
	$fields[] = new PMProRH_Field(
		'mobile_phone_number',			// input name, will also be used as meta key
		'text',							// type of field
		array(
			'label'		=> 'Mobile Phone',			// custom field label
			'size'		=> 40,				// input size
			'class'		=> 'mobilephone',			// custom class
			'profile'	=> true,			// show in user profile
			'required'	=> false,			// make this field required
			'memberslistcsv' => true,		// addes this to csv export
			'addmember'      => true,      // include when using add member from admin
		)
	);
	// Add the fields into a new checkout_boxes are of the checkout page.
	foreach ( $fields as $field ) {
		pmprorh_add_registration_field(
			'checkout_boxes',				// location on checkout page
			$field						// PMProRH_Field object
		);
	}
	// That's it. See the PMPro Register Helper readme for more information and examples.
}
add_action( 'init', 'my_pmprorh_init' );