Makes fields added to the profile required if the required => true is set.

pmprorh-make-profile-fields-required.php

/*
Makes fields added to the profile required if the required => true is set.
*/

function pmprorh_make_profile_fields_required(&$errors, $update = null, &$user  = null)
{
	//admin can leave them blank if he wants
	if(current_user_can("manage_options"))
		return;

	$profile_fields = pmprorh_getProfileFields($user->ID);

	foreach($profile_fields as $field)
	{
		if(isset($field->required) && $field->required == true && empty($_REQUEST[$field->id]) )
		{
			$error_msg = '<strong>ERROR</strong>: ';
			
			if(isset($field->label))
			{
				$error_msg .= "The ".$field->label." field is required";
			}
			
			else
			{
				$error_msg .= "Please fill all required fields";
			}
			
			$errors->add('pmprorh_empty_profile_fields', $error_msg);
		}	
	}
}
add_action( 'user_profile_update_errors', 'pmprorh_make_profile_fields_required' );