verified-users-plugin

<?php
/*
Plugin Name: Verified Users
Version: 1.0
Description: Very simple verified users option
Author: Devin Vinson
Text Domain: verified-users
Domain Path: /languages
*/

/**
 * Class Verified_Users
 *
 * @since 1.0
 * @author devinvinson@gmail.com
 */
class Verified_Users {

	static private $instance = null;

	/**
	 * Quick and simple singleton
	 *
	 * @return null|Verified_Users
	 */
	static public function getInstance() {
		if ( self::$instance == null ) {
			self::$instance = new self;
		}
		return self::$instance;
	}

	/**
	 * Hook into WP
	 */
	private function __construct() {
		add_action( 'show_user_profile',        array( $this, 'verified_user_option' ) );
		add_action( 'edit_user_profile',        array( $this, 'verified_user_option' ) );
		add_action( 'edit_user_profile_update', array( $this, 'save_verified_user_option' ) );
		add_action( 'personal_options_update',  array( $this, 'save_verified_user_option' ) );

	}

	/**
	 * Add the Verification setting to User Profile
	 *
	 * Check for 'verified' when using get_user_meta
	 *
	 * @param $user
	 */
	public function verified_user_option( $user ) {

		$user_verification = get_the_author_meta( 'user_verification', $user->ID );

		?>

		<h3>User Verification</h3>
		<p>Verification can be set by site administrators only.</p>

		<table class="form-table">
			<tr>
				<th><label for="user_verification">Verified:</label></th>
				<td>
					<input <?php if ( !current_user_can( 'edit_theme_options', $user->ID ) ){ echo 'disabled="disabled"'; } ?> name="user_verification" type="checkbox" id="user_verification" value="verified" <?php checked( $user_verification, "verified"); ?> />
				</td>
			</tr>
		</table>

		<?php
	}


	public function save_verified_user_option( $user_id ) {

		if ( !current_user_can( 'edit_theme_options', $user_id ) ) {
			return false;
		} else {
			update_user_meta( $user_id, 'user_verification', $_POST['user_verification'] );
		}
	}

}

$verified_users_plugin = Verified_Users::getInstance();