custom

<?php
/*
Plugin Name: PMPro Customizations
Plugin URI: https://www.paidmembershipspro.com/wp/pmpro-customizations/
Description: Customizations for my Paid Memberships Pro Setup
Version: .1
Author: Paid Memberships Pro
Author URI: https://www.paidmembershipspro.com
*/
 
//Now start placing your customization code below this line
/*
/*
Define the global array below for your main accounts and sponsored levels.
Array keys should be the main account level.
*/
global $pmprosm_sponsored_account_levels;
$pmprosm_sponsored_account_levels = array(
	//set 5 seats at checkout
	1 => array(
		'main_level_id' => 2, //redundant but useful
		'sponsored_level_id' => 2, //array or single id
		'seats' => 5
	),
	//seats based on field at checkout
	3 => array(
		'main_level_id' => 2, //redundant but useful
		'sponsored_level_id'  => 2,
		'seat_cost' => 0,
		'max_seats' => 5
	)
);
/**
 * Add this code below to your PMPro Customizations Plugin - https://www.paidmembershipspro.com/create-a-plugin-for-pmpro-customizations/
 */

function pmpro_change_text_example_group_members( $translated_text, $text, $domain ) {

        switch ( $translated_text ) {

            case 'Number of Seats' :

                $translated_text = __( 'Number of Family Members', 'pmpro_sponsored_members' );
                break;

        }


    return $translated_text;
}
add_filter( 'gettext', 'pmpro_change_text_example_group_members', 20, 3 );
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'	=> true,			// make this field required
		)
	);

	
	//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' );

/**
 * This will only allow users that are 18 years or older to signup on checkout.
 * This requires a custom 'date' field using Register Helper.
 * Add this code to your PMPro Customizations Plugin - https://www.paidmembershipspro.com/create-a-plugin-for-pmpro-customizations/
 */
 
 function custom_pmpro_validate_user_age( $okay ) {

	if( ! $okay ) {
		return $okay; //handle other errors first.
	}
	 
	if( '2' != $_REQUEST[ 'level' ] ) { //Change 1 to level ID that the CODE MUST APPLY TO, all other levels except 1 will not take the code into consideration.
		return $okay;
	}

	global $pmpro_msg, $pmpro_msgt;

	$date = $_POST[ 'date_of_birth' ];

	$year = intval( $date[ 'y' ] );
	$today = intval( date( 'Y' ) );

	if( $today - $year < 18 ){
		$pmpro_msg = "You must be older than 18 years old.";
		$pmpro_msgt = "pmpro_error";
		return false;
	}

	return $okay;
}
add_filter( 'pmpro_registration_checks', 'custom_pmpro_validate_user_age' );