<?php
namespace um\core;

// Exit if accessed directly
if ( ! defined( 'ABSPATH' ) ) exit;

if ( ! class_exists( 'um\core\Shortcodes' ) ) {


	/**
	 * Class Shortcodes
	 * @package um\core
	 */
	class Shortcodes {


		/**
		 * Shortcodes constructor.
		 */
		function __construct() {

			$this->message_mode = false;
			$this->custom_message = '';

			$this->loop = array();

			add_shortcode( 'ultimatemember', array( &$this, 'ultimatemember' ) );

			add_shortcode( 'um_loggedin', array( &$this, 'um_loggedin' ) );
			add_shortcode( 'um_loggedout', array( &$this, 'um_loggedout' ) );
			add_shortcode( 'um_show_content', array( &$this, 'um_shortcode_show_content_for_role' ) );
			add_shortcode( 'ultimatemember_searchform', array( &$this, 'ultimatemember_searchform' ) );


			add_filter( 'body_class', array( &$this, 'body_class' ), 0 );
			add_action( 'template_redirect', array( &$this, 'is_um_page' ) );

			add_filter( 'um_shortcode_args_filter', array( &$this, 'display_logout_form' ), 99 );
			add_filter( 'um_shortcode_args_filter', array( &$this, 'parse_shortcode_args' ), 99 );

			/**
			 * UM hook
			 *
			 * @type filter
			 * @title um_emoji_base_uri
			 * @description Change Emoji base URL
			 * @input_vars
			 * [{"var":"$url","type":"string","desc":"Base URL"}]
			 * @change_log
			 * ["Since: 2.0"]
			 * @usage
			 * <?php add_filter( 'um_emoji_base_uri', 'function_name', 10, 1 ); ?>
			 * @example
			 * <?php
			 * add_filter( 'um_emoji_base_uri', 'my_emoji_base_uri', 10, 1 );
			 * function my_emoji_base_uri( $url ) {
			 *     // your code here
			 *     return $url;
			 * }
			 * ?>
			 */
			$base_uri = apply_filters( 'um_emoji_base_uri', 'https://s.w.org/images/core/emoji/' );

			$this->emoji[':)'] = $base_uri . '72x72/1f604.png';
			$this->emoji[':smiley:'] = $base_uri . '72x72/1f603.png';
			$this->emoji[':D'] = $base_uri . '72x72/1f600.png';
			$this->emoji[':$'] = $base_uri . '72x72/1f60a.png';
			$this->emoji[':relaxed:'] = $base_uri . '72x72/263a.png';
			$this->emoji[';)'] = $base_uri . '72x72/1f609.png';
			$this->emoji[':heart_eyes:'] = $base_uri . '72x72/1f60d.png';
			$this->emoji[':kissing_heart:'] = $base_uri . '72x72/1f618.png';
			$this->emoji[':kissing_closed_eyes:'] = $base_uri . '72x72/1f61a.png';
			$this->emoji[':kissing:'] = $base_uri . '72x72/1f617.png';
			$this->emoji[':kissing_smiling_eyes:'] = $base_uri . '72x72/1f619.png';
			$this->emoji[';P'] = $base_uri . '72x72/1f61c.png';
			$this->emoji[':P'] = $base_uri . '72x72/1f61b.png';
			$this->emoji[':stuck_out_tongue_closed_eyes:'] = $base_uri . '72x72/1f61d.png';
			$this->emoji[':flushed:'] = $base_uri . '72x72/1f633.png';
			$this->emoji[':grin:'] = $base_uri . '72x72/1f601.png';
			$this->emoji[':pensive:'] = $base_uri . '72x72/1f614.png';
			$this->emoji[':relieved:'] = $base_uri . '72x72/1f60c.png';
			$this->emoji[':unamused'] = $base_uri . '72x72/1f612.png';
			$this->emoji[':('] = $base_uri . '72x72/1f61e.png';
			$this->emoji[':persevere:'] = $base_uri . '72x72/1f623.png';
			$this->emoji[":'("] = $base_uri . '72x72/1f622.png';
			$this->emoji[':joy:'] = $base_uri . '72x72/1f602.png';
			$this->emoji[':sob:'] = $base_uri . '72x72/1f62d.png';
			$this->emoji[':sleepy:'] = $base_uri . '72x72/1f62a.png';
			$this->emoji[':disappointed_relieved:'] = $base_uri . '72x72/1f625.png';
			$this->emoji[':cold_sweat:'] = $base_uri . '72x72/1f630.png';
			$this->emoji[':sweat_smile:'] = $base_uri . '72x72/1f605.png';
			$this->emoji[':sweat:'] = $base_uri . '72x72/1f613.png';
			$this->emoji[':weary:'] = $base_uri . '72x72/1f629.png';
			$this->emoji[':tired_face:'] = $base_uri . '72x72/1f62b.png';
			$this->emoji[':fearful:'] = $base_uri . '72x72/1f628.png';
			$this->emoji[':scream:'] = $base_uri . '72x72/1f631.png';
			$this->emoji[':angry:'] = $base_uri . '72x72/1f620.png';
			$this->emoji[':rage:'] = $base_uri . '72x72/1f621.png';
			$this->emoji[':triumph'] = $base_uri . '72x72/1f624.png';
			$this->emoji[':confounded:'] = $base_uri . '72x72/1f616.png';
			$this->emoji[':laughing:'] = $base_uri . '72x72/1f606.png';
			$this->emoji[':yum:'] = $base_uri . '72x72/1f60b.png';
			$this->emoji[':mask:'] = $base_uri . '72x72/1f637.png';
			$this->emoji[':cool:'] = $base_uri . '72x72/1f60e.png';
			$this->emoji[':sleeping:'] = $base_uri . '72x72/1f634.png';
			$this->emoji[':dizzy_face:'] = $base_uri . '72x72/1f635.png';
			$this->emoji[':astonished:'] = $base_uri . '72x72/1f632.png';
			$this->emoji[':worried:'] = $base_uri . '72x72/1f61f.png';
			$this->emoji[':frowning:'] = $base_uri . '72x72/1f626.png';
			$this->emoji[':anguished:'] = $base_uri . '72x72/1f627.png';
			$this->emoji[':smiling_imp:'] = $base_uri . '72x72/1f608.png';
			$this->emoji[':imp:'] = $base_uri . '72x72/1f47f.png';
			$this->emoji[':open_mouth:'] = $base_uri . '72x72/1f62e.png';
			$this->emoji[':grimacing:'] = $base_uri . '72x72/1f62c.png';
			$this->emoji[':neutral_face:'] = $base_uri . '72x72/1f610.png';
			$this->emoji[':confused:'] = $base_uri . '72x72/1f615.png';
			$this->emoji[':hushed:'] = $base_uri . '72x72/1f62f.png';
			$this->emoji[':no_mouth:'] = $base_uri . '72x72/1f636.png';
			$this->emoji[':innocent:'] = $base_uri . '72x72/1f607.png';
			$this->emoji[':smirk:'] = $base_uri . '72x72/1f60f.png';
			$this->emoji[':expressionless:'] = $base_uri . '72x72/1f611.png';

		}


		/**
		 * Conditional logout form
		 *
		 * @param array $args
		 *
		 * @return array
		 */
		function display_logout_form( $args ) {
			if ( is_user_logged_in() && isset( $args['mode'] ) && $args['mode'] == 'login' ) {

				if ( get_current_user_id() != um_user( 'ID' ) ) {
					um_fetch_user( get_current_user_id() );
				}

				$args['template'] = 'logout';
			}

			return $args;
		}


		/**
		 * Filter shortcode args
		 *
		 * @param array $args
		 *
		 * @return array
		 */
		function parse_shortcode_args( $args ) {
			if ( $this->message_mode == true ) {

				if ( ! empty( $_REQUEST['um_role'] ) ) {
					$args['template'] = 'message';
					$roleID = esc_attr( $_REQUEST['um_role'] );
					$role = UM()->roles()->role_data( $roleID );

					if ( ! empty( $role ) && ! empty( $role["status"] ) ) {
						$message_key = $role["status"] . '_message';
						$this->custom_message = ! empty( $role[ $message_key ] ) ? stripslashes( $role[ $message_key ] ) : '';
					}
				}

			}

			foreach ( $args as $k => $v ) {
				$args[ $k ] = maybe_unserialize( $args[ $k ] );
			}

			return $args;
		}


		/**
		 * Emoji support
		 *
		 * @param $content
		 *
		 * @return mixed|string
		 */
		function emotize( $content ) {
			$content = stripslashes( $content );
			foreach ( $this->emoji as $code => $val ) {
				$regex = str_replace(array('(', ')'), array("\\" . '(', "\\" . ')'), $code);
				$content = preg_replace('/(' . $regex . ')(\s|$)/', '<img src="' . $val . '" alt="' . $code . '" title="' . $code . '" class="emoji" />$2', $content);
			}
			return $content;
		}


		/**
		 * Remove wpautop filter for post content if it's UM core page
		 */
		function is_um_page() {
			if ( is_ultimatemember() ) {
				remove_filter( 'the_content', 'wpautop' );
			}
		}


		/**
		 * Extend body classes
		 *
		 * @param $classes
		 *
		 * @return array
		 */
		function body_class( $classes ) {
			$array = UM()->config()->permalinks;
			if ( ! $array ) {
				return $classes;
			}

			foreach ( $array as $slug => $info ) {
				if ( um_is_core_page( $slug ) ) {

					$classes[] = 'um-page-' . $slug;

					if ( is_user_logged_in() ) {
						$classes[] = 'um-page-loggedin';
					} else {
						$classes[] = 'um-page-loggedout';
					}

				}
			}

			if ( um_is_core_page( 'user' ) && um_is_user_himself() ) {
				$classes[] = 'um-own-profile';
			}

			return $classes;
		}


		/**
		 * Retrieve core login form
		 *
		 * @return int
		 */
		function core_login_form() {
			$forms = get_posts(array('post_type' => 'um_form', 'posts_per_page' => 1, 'meta_key' => '_um_core', 'meta_value' => 'login'));
			$form_id = isset( $forms[0]->ID ) ? $forms[0]->ID: 0;

			return $form_id;
		}


		/**
		 * Load a compatible template
		 *
		 * @param $tpl
		 */
		function load_template( $tpl ) {
			$loop = ( $this->loop ) ? $this->loop : array();

			if ( isset( $this->set_args ) && is_array( $this->set_args ) ) {
				$args = $this->set_args;
                
				unset( $args['file'] );
				unset( $args['theme_file'] );
				unset( $args['tpl'] );

				extract( $args );
			}

			$file = um_path . "templates/{$tpl}.php";
			$theme_file = get_stylesheet_directory() . "/ultimate-member/templates/{$tpl}.php";


			if ( file_exists( $theme_file ) ) {
				$file = $theme_file;
			}

			if ( file_exists( $file ) ) {

				include $file;
			}
		}


		/**
		 * Add class based on shortcode
		 *
		 * @param $mode
		 * @param array $args
		 *
		 * @return mixed|string|void
		 */
		function get_class($mode, $args = array()) {

			$classes = 'um-' . $mode;

			if (is_admin()) {
				$classes .= ' um-in-admin';
			}

			if (isset(UM()->form()->errors) && UM()->form()->errors) {
				$classes .= ' um-err';
			}

			if (UM()->fields()->editing == true) {
				$classes .= ' um-editing';
			}

			if (UM()->fields()->viewing == true) {
				$classes .= ' um-viewing';
			}

			if (isset($args['template']) && $args['template'] != $args['mode']) {
				$classes .= ' um-' . $args['template'];
			}

			/**
			 * UM hook
			 *
			 * @type filter
			 * @title um_form_official_classes__hook
			 * @description Change official form classes
			 * @input_vars
			 * [{"var":"$classes","type":"string","desc":"Classes string"}]
			 * @change_log
			 * ["Since: 2.0"]
			 * @usage
			 * <?php add_filter( 'um_form_official_classes__hook', 'function_name', 10, 1 ); ?>
			 * @example
			 * <?php
			 * add_filter( 'um_form_official_classes__hook', 'my_form_official_classes', 10, 1 );
			 * function my_form_official_classes( $classes ) {
			 *     // your code here
			 *     return $classes;
			 * }
			 * ?>
			 */
			$classes = apply_filters( 'um_form_official_classes__hook', $classes );
			return $classes;
		}


		/**
		 * Logged-in only content
		 *
		 * @param array $args
		 * @param string $content
		 *
		 * @return string
		 */
		function um_loggedin( $args = array(), $content = "" ) {
			ob_start();

			$defaults = array(
				'lock_text' => __( 'This content has been restricted to logged in users only. Please <a href="{login_referrer}">login</a> to view this content.', 'ultimate-member' ),
				'show_lock' => 'yes',
			);

			$args = wp_parse_args( $args, $defaults );

			$args['lock_text'] = $this->convert_locker_tags( $args['lock_text'] );

			if ( ! is_user_logged_in() ) {
				if ( $args['show_lock'] == 'no' ) {
					echo '';
				} else {
					$this->set_args = $args;
					$this->load_template( 'login-to-view' );
				}
			} else {
				echo do_shortcode( $this->convert_locker_tags( wpautop( $content ) ) );
			}

			$output = ob_get_clean();
			return $output;
		}

		/***
		 ***	@Logged-out only content
		 */
		function um_loggedout($args = array(), $content = "") {
			ob_start();

			// Hide for logged in users
			if (is_user_logged_in()) {
				echo '';
			} else {
				echo do_shortcode(wpautop($content));
			}

			$output = ob_get_contents();
			ob_end_clean();
			return $output;
		}


		/**
		 * Shortcode
		 *
		 * @param array $args
		 *
		 * @return string
		 */
		function ultimatemember( $args = array() ) {
			return $this->load( $args );
		}


		/**
		 * Load a module with global function
		 *
		 * @param $args
		 *
		 * @return string
		 */
		function load( $args ) {
			ob_start();

			$defaults = array();
			$args = wp_parse_args($args, $defaults);

			// when to not continue
			$this->form_id = (isset($args['form_id'])) ? $args['form_id'] : null;
			if (!$this->form_id) {
				return;
			}

			$this->form_status = get_post_status($this->form_id);
			if ($this->form_status != 'publish') {
				return;
			}

			// get data into one global array
			$post_data = UM()->query()->post_data($this->form_id);

			/**
			 * UM hook
			 *
			 * @type filter
			 * @title um_pre_args_setup
			 * @description Change arguments on load shortcode
			 * @input_vars
			 * [{"var":"$post_data","type":"string","desc":"$_POST data"}]
			 * @change_log
			 * ["Since: 2.0"]
			 * @usage
			 * <?php add_filter( 'um_pre_args_setup', 'function_name', 10, 1 ); ?>
			 * @example
			 * <?php
			 * add_filter( 'um_pre_args_setup', 'my_pre_args_setup', 10, 1 );
			 * function my_pre_args_setup( $post_data ) {
			 *     // your code here
			 *     return $post_data;
			 * }
			 * ?>
			 */
			$args = apply_filters( 'um_pre_args_setup', $post_data );

			if (!isset($args['template'])) {
				$args['template'] = '';
			}

			if (isset($post_data['template']) && $post_data['template'] != $args['template']) {
				$args['template'] = $post_data['template'];
			}

			if (!$this->template_exists($args['template'])) {
				$args['template'] = $post_data['mode'];
			}

			if (!isset($post_data['template'])) {
				$post_data['template'] = $post_data['mode'];
			}

			if( 'directory' != $args['mode'] ) {

				$args = array_merge( $post_data, $args );

				if (empty( $args['use_custom_settings'] )) {
					$args = array_merge( $args, $this->get_css_args( $args ) );
				} else {
					$args = array_merge( $this->get_css_args( $args ), $args );
				}
			}
			// filter for arguments

			/**
			 * UM hook
			 *
			 * @type filter
			 * @title um_shortcode_args_filter
			 * @description Change arguments on load shortcode
			 * @input_vars
			 * [{"var":"$args","type":"string","desc":"Shortcode arguments"}]
			 * @change_log
			 * ["Since: 2.0"]
			 * @usage
			 * <?php add_filter( 'um_shortcode_args_filter', 'function_name', 10, 1 ); ?>
			 * @example
			 * <?php
			 * add_filter( 'um_shortcode_args_filter', 'my_shortcode_args', 10, 1 );
			 * function my_shortcode_args( $args ) {
			 *     // your code here
			 *     return $args;
			 * }
			 * ?>
			 */
			$args = apply_filters( 'um_shortcode_args_filter', $args );

			extract($args, EXTR_SKIP);

			//not display on admin preview
			if ( empty( $_POST['act_id'] ) || $_POST['act_id'] != 'um_admin_preview_form' ) {
				if ( 'register' == $mode && is_user_logged_in() ) {
					return __( 'You are already registered', 'ultimate-member' );
				}
			}

			// for profiles only
			if ( $mode == 'profile' && um_profile_id() ) {
				$use_custom = get_post_meta( $this->form_id, "_um_{$mode}_use_custom_settings", true );
				if ( $use_custom ) { // Custom Form settings
					$current_user_roles = UM()->roles()->get_all_user_roles( um_profile_id() );

					//backward compatibility between single/multi role form's setting
					if ( ! empty( $args['role'] ) ) {
						if ( is_array( $args['role'] ) ) {
							if ( ! count( array_intersect( $args['role'], $current_user_roles ) ) ) {
								return '';
							}
						} else {
							if ( ! in_array( $args['role'], $current_user_roles ) ) {
								return '';
							}
						}
					}
				}
			}

			/**
			 * UM hook
			 *
			 * @type action
			 * @title um_pre_{$mode}_shortcode
			 * @description Action pre-load form shortcode
			 * @input_vars
			 * [{"var":"$args","type":"array","desc":"Form shortcode pre-loading"}]
			 * @change_log
			 * ["Since: 2.0"]
			 * @usage add_action( 'um_pre_{$mode}_shortcode', 'function_name', 10, 1 );
			 * @example
			 * <?php
			 * add_action( 'um_pre_{$mode}_shortcode', 'my_pre_shortcode', 10, 1 );
			 * function my_pre_shortcode( $args ) {
			 *     // your code here
			 * }
			 * ?>
			 */
			do_action( "um_pre_{$mode}_shortcode", $args );
			/**
			 * UM hook
			 *
			 * @type action
			 * @title um_before_form_is_loaded
			 * @description Action pre-load form shortcode
			 * @input_vars
			 * [{"var":"$args","type":"array","desc":"Form shortcode pre-loading"}]
			 * @change_log
			 * ["Since: 2.0"]
			 * @usage add_action( 'um_before_form_is_loaded', 'function_name', 10, 1 );
			 * @example
			 * <?php
			 * add_action( 'um_before_form_is_loaded', 'my_pre_shortcode', 10, 1 );
			 * function my_pre_shortcode( $args ) {
			 *     // your code here
			 * }
			 * ?>
			 */
			do_action( "um_before_form_is_loaded", $args );
			/**
			 * UM hook
			 *
			 * @type action
			 * @title um_before_{$mode}_form_is_loaded
			 * @description Action pre-load form shortcode
			 * @input_vars
			 * [{"var":"$args","type":"array","desc":"Form shortcode pre-loading"}]
			 * @change_log
			 * ["Since: 2.0"]
			 * @usage add_action( 'um_before_{$mode}_form_is_loaded', 'function_name', 10, 1 );
			 * @example
			 * <?php
			 * add_action( 'um_before_{$mode}_form_is_loaded', 'my_pre_shortcode', 10, 1 );
			 * function my_pre_shortcode( $args ) {
			 *     // your code here
			 * }
			 * ?>
			 */
			do_action( "um_before_{$mode}_form_is_loaded", $args );

			$this->template_load( $template, $args );

			$this->dynamic_css( $args );

			if ( um_get_requested_user() || $mode == 'logout' ) {
				um_reset_user();
			}

			/**
			 * UM hook
			 *
			 * @type action
			 * @title um_after_everything_output
			 * @description Action after load shortcode content
			 * @change_log
			 * ["Since: 2.0"]
			 * @usage add_action( 'um_after_everything_output', 'function_name', 10 );
			 * @example
			 * <?php
			 * add_action( 'um_after_everything_output', 'my_after_everything_output', 10 );
			 * function my_after_everything_output() {
			 *     // your code here
			 * }
			 * ?>
			 */
			do_action( 'um_after_everything_output' );

			$output = ob_get_contents();
			ob_end_clean();
			return $output;
		}


		/**
		 * Get dynamic CSS args
		 *
		 * @param $args
		 * @return array
		 */
		function get_css_args( $args ) {
			$arr = um_styling_defaults( $args['mode'] );
			$arr = array_merge( $arr, array( 'form_id' => $args['form_id'], 'mode' => $args['mode'] ) );
			return $arr;
		}


		/**
		 * Load dynamic css
		 *
		 * @param array $args
		 *
		 * @return string
		 */
		function dynamic_css( $args = array() ) {
			/**
			 * UM hook
			 *
			 * @type filter
			 * @title um_disable_dynamic_global_css
			 * @description Turn on for disable global dynamic CSS for fix the issue #306
			 * @input_vars
			 * [{"var":"$disable","type":"bool","desc":"Disable global CSS"}]
			 * @change_log
			 * ["Since: 2.0"]
			 * @usage
			 * <?php add_filter( 'um_disable_dynamic_global_css', 'function_name', 10, 1 ); ?>
			 * @example
			 * <?php
			 * add_filter( 'um_disable_dynamic_global_css', 'my_disable_dynamic_global_css', 10, 1 );
			 * function my_disable_dynamic_global_css( $disable ) {
			 *     // your code here
			 *     return $disable;
			 * }
			 * ?>
			 */
			$disable_css = apply_filters( 'um_disable_dynamic_global_css', false );
			if ( $disable_css )
				return '';

			/**
			 * @var $mode
			 */
			extract( $args );

			include_once um_path . 'assets/dynamic_css/dynamic_global.php';

			if ( isset( $mode ) && in_array( $mode, array( 'profile', 'directory' ) ) ) {
				$file = um_path . 'assets/dynamic_css/dynamic_' . $mode . '.php';

				if ( file_exists( $file ) )
					include_once $file;
			}

			return '';
		}


		/**
		 * Loads a template file
		 *
		 * @param $template
		 * @param array $args
		 */
		function template_load( $template, $args = array() ) {
			if ( is_array( $args ) ) {
				$this->set_args = $args;
			}
			$this->load_template( $template );
		}


		/**
		 * Checks if a template file exists
		 *
		 * @param $template
		 *
		 * @return bool
		 */
		function template_exists($template) {

			$file = um_path . 'templates/' . $template . '.php';
			$theme_file = get_stylesheet_directory() . '/ultimate-member/templates/' . $template . '.php';

			if (file_exists($theme_file) || file_exists($file)) {
				return true;
			}

			return false;
		}


		/**
		 * Get File Name without path and extension
		 *
		 * @param $file
		 *
		 * @return mixed|string
		 */
		function get_template_name($file) {
			$file = basename($file);
			$file = preg_replace('/\\.[^.\\s]{3,4}$/', '', $file);
			return $file;
		}


		/**
		 * Get Templates
		 *
		 * @param null $excluded
		 *
		 * @return mixed
		 */
		function get_templates($excluded = null) {

			if ($excluded) {
				$array[$excluded] = __('Default Template', 'ultimate-member');
			}

			$paths[] = glob(um_path . 'templates/' . '*.php');

			if (file_exists(get_stylesheet_directory() . '/ultimate-member/templates/')) {
				$paths[] = glob(get_stylesheet_directory() . '/ultimate-member/templates/' . '*.php');
			}

			if( isset( $paths ) && ! empty( $paths ) ){

				foreach ($paths as $k => $files) {

					if( isset( $files ) && ! empty( $files ) ){

						foreach ($files as $file) {

							$clean_filename = $this->get_template_name( $file );

							if ( 0 === strpos( $clean_filename, $excluded ) ) {

								$source = file_get_contents( $file );
								$tokens = token_get_all( $source );
								$comment = array(
									T_COMMENT, // All comments since PHP5
									T_DOC_COMMENT, // PHPDoc comments
								);
								foreach ( $tokens as $token ) {
									if ( in_array( $token[0], $comment ) && strstr( $token[1], '/* Template:' ) && $clean_filename != $excluded ) {
										$txt = $token[1];
										$txt = str_replace('/* Template: ', '', $txt );
										$txt = str_replace(' */', '', $txt );
										$array[ $clean_filename ] = $txt;
									}
								}

							}

						}

					}

				}

			}

			return $array;

		}


		/**
		 * Get Shortcode for given form ID
		 *
		 * @param $post_id
		 *
		 * @return string
		 */
		function get_shortcode( $post_id ) {
			$shortcode = '[ultimatemember form_id=' . $post_id . ']';
			return $shortcode;
		}


		/**
		 * Convert access lock tags
		 *
		 * @param $str
		 *
		 * @return mixed|string
		 */
		function convert_locker_tags( $str ) {
			return um_convert_tags( $str, array(), false );
		}


		/**
		 * Convert user tags in a string
		 *
		 * @param $str
		 *
		 * @return mixed
		 */
		function convert_user_tags( $str ) {

			$pattern_array = array(
				'{first_name}',
				'{last_name}',
				'{display_name}',
				'{user_avatar_small}',
				'{username}',
			);

			/**
			 * UM hook
			 *
			 * @type filter
			 * @title um_allowed_user_tags_patterns
			 * @description Extend user placeholders patterns
			 * @input_vars
			 * [{"var":"$patterns","type":"array","desc":"Placeholders"}]
			 * @change_log
			 * ["Since: 2.0"]
			 * @usage
			 * <?php add_filter( 'um_allowed_user_tags_patterns', 'function_name', 10, 1 ); ?>
			 * @example
			 * <?php
			 * add_filter( 'um_allowed_user_tags_patterns', 'my_allowed_user_tags', 10, 1 );
			 * function my_allowed_user_tags( $patterns ) {
			 *     // your code here
			 *     return $patterns;
			 * }
			 * ?>
			 */
			$pattern_array = apply_filters( 'um_allowed_user_tags_patterns', $pattern_array );

			//$matches = false;
			foreach ( $pattern_array as $pattern ) {

				if ( preg_match( $pattern, $str ) ) {

					$value = '';
					if ( is_user_logged_in() ) {
						$usermeta = str_replace( '{', '', $pattern );
						$usermeta = str_replace( '}', '', $usermeta );

						if ( $usermeta == 'user_avatar_small' ) {
							$value = get_avatar( um_user( 'ID' ), 40 );
						} elseif ( um_user( $usermeta ) ) {
							$value = um_user( $usermeta );
						}

						if ( $usermeta == 'username' ) {
							$value = um_user( 'user_login' );
						}

						/**
						 * UM hook
						 *
						 * @type filter
						 * @title um_profile_tag_hook__{$usermeta}
						 * @description Change usermeta field value
						 * @input_vars
						 * [{"var":"$value","type":"array","desc":"Meta field value"},
						 * {"var":"$user_id","type":"array","desc":"User ID"}]
						 * @change_log
						 * ["Since: 2.0"]
						 * @usage
						 * <?php add_filter( 'um_profile_tag_hook__{$usermeta}', 'function_name', 10, 2 ); ?>
						 * @example
						 * <?php
						 * add_filter( 'um_profile_tag_hook__{$usermeta}', 'my_profile_tag', 10, 2 );
						 * function my_profile_tag( $value, $user_id ) {
						 *     // your code here
						 *     return $value;
						 * }
						 * ?>
						 */
						$value = apply_filters( "um_profile_tag_hook__{$usermeta}", $value, um_user( 'ID' ) );
					}

					$str = preg_replace( '/' . $pattern . '/', $value, $str );
				}

			}

			return $str;
		}


		/**
		 * Shortcode: Show custom content to specific role
		 *
		 * Show content to specific roles
		 * [um_show_content roles='member'] <!-- insert content here -->  [/um_show_content]
		 * You can add multiple target roles, just use ',' e.g.  [um_show_content roles='member,candidates,pets']
		 *
		 * Hide content from specific roles
		 * [um_show_content not='contributors'] <!-- insert content here -->  [/um_show_content]
		 * You can add multiple target roles, just use ',' e.g.  [um_show_content roles='member,candidates,pets']
		 *
		 * @param  array $atts
		 * @param  string $content
		 * @return string
		 */
		function um_shortcode_show_content_for_role( $atts = array() , $content = '' ) {
			global $user_ID;

			if ( ! is_user_logged_in() ) {
				return;
			}

			$a = shortcode_atts( array(
				'roles' => '',
				'not' => '',
				'is_profile' => false,
			), $atts );

			if ( $a['is_profile'] ) {
				um_fetch_user( um_profile_id() );
			} else {
				um_fetch_user( $user_ID );
			}

			$current_user_roles = um_user( 'roles' );

			if ( ! empty( $a['not'] ) && ! empty( $a['roles'] ) ) {
				return do_shortcode( $this->convert_locker_tags( $content ) );
			}

			if ( ! empty( $a['not'] ) ) {
				$not_in_roles = explode( ",", $a['not'] );

				if ( is_array( $not_in_roles ) && ( empty( $current_user_roles ) || count( array_intersect( $current_user_roles, $not_in_roles ) ) <= 0 ) ) {
					return do_shortcode( $this->convert_locker_tags( $content ) );
				}
			} else {
				$roles = explode( ",", $a['roles'] );

				if ( ! empty( $current_user_roles ) && is_array( $roles ) && count( array_intersect( $current_user_roles, $roles ) ) > 0 ) {
					return do_shortcode( $this->convert_locker_tags( $content ) );
				}
			}

			return '';
		}


		/**
		 * @param array $args
		 * @param string $content
		 *
		 * @return string
		 */
		public function ultimatemember_searchform( $args = array(), $content = "" ) {
			// turn off buffer
			ob_start();

			// load template
			$this->load_template( 'searchform' );

			// get the buffer
			$template = ob_get_contents();

			// clear the buffer
			ob_end_clean();

			return $template;
		}

	}
}