wp-user-manager

<?php

add_filter( 'submit_wpum_form_validate_fields', function ( $check, $fields, $values, $form_name ) {
	if ( ! isset( $values['register']['user_firstname'] ) || empty( $values['register']['user_firstname'] ) ) {
		return $check;
	}

	if ( ! isset( $values['register']['user_lastname'] ) || empty( $values['register']['user_lastname'] ) ) {
		return $check;
	}

wp-user-manager

<?php

add_filter( 'wpum_field_datepicker_date_format', function (){
	return 'd-m-Y';
});

wp-user-manager

<?php
/**
 * The Template for displaying the profile cover.
 */

// Exit if accessed directly
if ( ! defined( 'ABSPATH' ) ) {
	exit;
}
?>

wp-user-manager

<?php

add_filter( 'submit_wpum_form_validate_fields', function ( $check, $fields, $values, $form_name ) {
	foreach ( $fields as $group_key => $group_fields ) {
		$field_key = 'wpum_field_33'; // Change this to be your unique field ID with wpum_ prefix
    
    if ( ! isset( $values[ $group_key ][ $field_key ] ) ) {
			return $check;
		}

wp-user-manager

<?php

add_filter( 'wpumcr_global_restriction_message', 'my_wpum_global_restriction_message' );

function my_wpum_global_restriction_message( $restricted_global_message ) {
	return 'This is message show for all restricted content unless the content has a specific restriction message.';
}

wp-user-manager

<?php
get_header();

if ( wpum_can_access_restricted_content() ) : ?>
  Some extra content in the template that is restricted as per the restriction settings of the page
<?php endif; ?>

<div>
<?php the_content(); ?>
</div>

wp-user-manager

<?php

add_filter( 'wpum_get_registration_fields', function ( $fields ) {
	if ( isset( $fields['privacy'] ) ) {
		unset( $fields['privacy'] );
	}

	return $fields;
} );

wp-user-manager

<?php

$args = array(
    'post_status' => 'publish',
    'post_type' => 'post',
    'meta_key' => 'wpum_likes',
    'orderby' => 'meta_value_num',
    'order' => 'DESC'
);

wp-user-manager

<?php

function wpum_profile_tabs_translation_mapping() {
	// Translated to Slovenian, change to your language
	return array(
		'about'    => 'priblizno',
		'posts'    => 'objave',
		'comments' => 'komentarj',
	);
}

wp-user-manager

<?php

add_filter( 'wpum_non_allowed_fields', function ( $fields ) {
	if ( ( $key = array_search( 'user_nickname', $fields ) ) !== false ) {
		unset( $fields[ $key ] );
	}

	return $fields;
} );