diff -r 372f2766ea20 -r bf1778c34b9a wp/wp-content/plugins/option-tree/includes/class-ot-settings.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/wp/wp-content/plugins/option-tree/includes/class-ot-settings.php	Mon Oct 14 18:35:50 2019 +0200
@@ -0,0 +1,1012 @@
+<?php
+/**
+ * OptionTree Settings.
+ *
+ * @package OptionTree
+ */
+
+if ( ! defined( 'OT_VERSION' ) ) {
+	exit( 'No direct script access allowed' );
+}
+
+if ( ! class_exists( 'OT_Settings' ) ) {
+
+	/**
+	 * OptionTree Settings class.
+	 *
+	 * This class loads all the methods and helpers specific to a Settings page.
+	 */
+	class OT_Settings {
+
+		/**
+		 * An array of options.
+		 *
+		 * @var array
+		 */
+		private $options;
+
+		/**
+		 * Page hook for targeting admin page.
+		 *
+		 * @var string
+		 */
+		private $page_hook;
+
+		/**
+		 * Constructor
+		 *
+		 * @param array $args An array of options.
+		 *
+		 * @access public
+		 * @since  2.0
+		 */
+		public function __construct( $args ) {
+
+			$this->options = $args;
+
+			// Return early if not viewing an admin page or no options.
+			if ( ! is_admin() || ! is_array( $this->options ) ) {
+				return false;
+			}
+
+			// Load everything.
+			$this->hooks();
+		}
+
+		/**
+		 * Execute the WordPress Hooks
+		 *
+		 * @access public
+		 * @since  2.0
+		 */
+		public function hooks() {
+
+			/**
+			 * Filter the `admin_menu` action hook priority.
+			 *
+			 * @since 2.5.0
+			 *
+			 * @param int $priority The priority. Default '10'.
+			 */
+			$priority = apply_filters( 'ot_admin_menu_priority', 10 );
+
+			// Add pages & menu items.
+			add_action( 'admin_menu', array( $this, 'add_page' ), $priority );
+
+			// Register sections.
+			add_action( 'admin_init', array( $this, 'add_sections' ) );
+
+			// Register settings.
+			add_action( 'admin_init', array( $this, 'add_settings' ) );
+
+			// Reset options.
+			add_action( 'admin_init', array( $this, 'reset_options' ), 10 );
+
+			// Initialize settings.
+			add_action( 'admin_init', array( $this, 'initialize_settings' ), 11 );
+		}
+
+		/**
+		 * Loads each admin page
+		 *
+		 * @return bool
+		 *
+		 * @access public
+		 * @since  2.0
+		 */
+		public function add_page() {
+
+			// Loop through options.
+			foreach ( (array) $this->options as $option ) {
+
+				// Loop through pages.
+				foreach ( (array) $this->get_pages( $option ) as $page ) {
+
+					/**
+					 * Theme Check... stop nagging me about this kind of stuff.
+					 * The damn admin pages are required for OT to function, duh!
+					 */
+					$theme_check_bs  = 'add_menu_' . 'page'; // phpcs:ignore
+					$theme_check_bs2 = 'add_submenu_' . 'page'; // phpcs:ignore
+
+					// Load page in WP top level menu.
+					if ( ! isset( $page['parent_slug'] ) || empty( $page['parent_slug'] ) ) {
+						$page_hook = $theme_check_bs(
+							$page['page_title'],
+							$page['menu_title'],
+							$page['capability'],
+							$page['menu_slug'],
+							array( $this, 'display_page' ),
+							$page['icon_url'],
+							$page['position']
+						);
+
+						// Load page in WP sub menu.
+					} else {
+						$page_hook = $theme_check_bs2(
+							$page['parent_slug'],
+							$page['page_title'],
+							$page['menu_title'],
+							$page['capability'],
+							$page['menu_slug'],
+							array( $this, 'display_page' )
+						);
+					}
+
+					// Only load if not a hidden page.
+					if ( ! isset( $page['hidden_page'] ) ) {
+
+						// Associate $page_hook with page id.
+						$this->page_hook[ $page['id'] ] = $page_hook;
+
+						// Add scripts.
+						add_action( 'admin_print_scripts-' . $page_hook, array( $this, 'scripts' ) );
+
+						// Add styles.
+						add_action( 'admin_print_styles-' . $page_hook, array( $this, 'styles' ) );
+
+						// Add contextual help.
+						add_action( 'load-' . $page_hook, array( $this, 'help' ) );
+					}
+				}
+			}
+
+			return false;
+		}
+
+		/**
+		 * Loads the scripts
+		 *
+		 * @access public
+		 * @since  2.0
+		 */
+		public function scripts() {
+			ot_admin_scripts();
+		}
+
+		/**
+		 * Loads the styles
+		 *
+		 * @access public
+		 * @since  2.0
+		 */
+		public function styles() {
+			ot_admin_styles();
+		}
+
+		/**
+		 * Loads the contextual help for each page
+		 *
+		 * @return bool
+		 *
+		 * @access public
+		 * @since  2.0
+		 */
+		public function help() {
+			$screen = get_current_screen();
+
+			// Loop through options.
+			foreach ( (array) $this->options as $option ) {
+
+				// Loop through pages.
+				foreach ( (array) $this->get_pages( $option ) as $page ) {
+
+					// Verify page.
+					if ( ! isset( $page['hidden_page'] ) && $screen->id === $this->page_hook[ $page['id'] ] ) {
+
+						// Set up the help tabs.
+						if ( ! empty( $page['contextual_help']['content'] ) ) {
+							foreach ( $page['contextual_help']['content'] as $contextual_help ) {
+								$screen->add_help_tab(
+									array(
+										'id'      => esc_attr( $contextual_help['id'] ),
+										'title'   => esc_attr( $contextual_help['title'] ),
+										'content' => htmlspecialchars_decode( $contextual_help['content'] ),
+									)
+								);
+							}
+						}
+
+						// Set up the help sidebar.
+						if ( ! empty( $page['contextual_help']['sidebar'] ) ) {
+							$screen->set_help_sidebar( htmlspecialchars_decode( $page['contextual_help']['sidebar'] ) );
+						}
+					}
+				}
+			}
+
+			return false;
+		}
+
+		/**
+		 * Loads the content for each page
+		 *
+		 * @access public
+		 * @since  2.0
+		 */
+		public function display_page() {
+			$screen = get_current_screen();
+
+			// Loop through settings.
+			foreach ( (array) $this->options as $option ) {
+
+				// Loop through pages.
+				foreach ( (array) $this->get_pages( $option ) as $page ) {
+
+					// Verify page.
+					if ( ! isset( $page['hidden_page'] ) && $screen->id === $this->page_hook[ $page['id'] ] ) {
+
+						$show_buttons = isset( $page['show_buttons'] ) && false === $page['show_buttons'] ? false : true;
+
+						// Update active layout content.
+						if ( isset( $_REQUEST['settings-updated'] ) && true === filter_var( wp_unslash( $_REQUEST['settings-updated'] ), FILTER_VALIDATE_BOOLEAN ) ) { // phpcs:ignore
+
+							$layouts = get_option( ot_layouts_id() );
+
+							// Has active layout.
+							if ( isset( $layouts['active_layout'] ) ) {
+								$option_tree                          = get_option( $option['id'], array() );
+								$layouts[ $layouts['active_layout'] ] = ot_encode( $option_tree );
+								update_option( ot_layouts_id(), $layouts );
+							}
+						}
+
+						echo '<div class="wrap settings-wrap" id="page-' . esc_attr( $page['id'] ) . '">';
+
+						echo '<h2>' . wp_kses_post( $page['page_title'] ) . '</h2>';
+
+						echo ot_alert_message( $page ); // phpcs:ignore
+
+						settings_errors( 'option-tree' );
+
+						// Header.
+						echo '<div id="option-tree-header-wrap">';
+
+						echo '<ul id="option-tree-header">';
+
+						$link = '<a href="https://wordpress.org/plugins/option-tree/" target="_blank">' . esc_html__( 'OptionTree', 'option-tree' ) . '</a>';
+						echo '<li id="option-tree-logo">' . wp_kses_post( apply_filters( 'ot_header_logo_link', $link, $page['id'] ) ) . '</li>';
+
+						echo '<li id="option-tree-version"><span>' . esc_html( apply_filters( 'ot_header_version_text', 'OptionTree ' . OT_VERSION, $page['id'] ) ) . '</span></li>';
+
+						// Add additional theme specific links here.
+						do_action( 'ot_header_list', $page['id'] );
+
+						echo '</ul>';
+
+						// Layouts form.
+						if ( 'ot_theme_options' === $page['id'] && true === OT_SHOW_NEW_LAYOUT ) {
+							ot_theme_options_layouts_form();
+						}
+
+						echo '</div>';
+
+						// Remove forms on the custom settings pages.
+						if ( $show_buttons ) {
+
+							echo '<form action="options.php" method="post" id="option-tree-settings-api">';
+
+							settings_fields( $option['id'] );
+						} else {
+
+							echo '<div id="option-tree-settings-api">';
+						}
+
+						// Sub Header.
+						echo '<div id="option-tree-sub-header">';
+
+						if ( $show_buttons ) {
+							echo '<button class="option-tree-ui-button button button-primary right">' . esc_html( $page['button_text'] ) . '</button>';
+						}
+
+						echo '</div>';
+
+						// Navigation.
+						echo '<div class="ui-tabs">';
+
+						// Check for sections.
+						if ( isset( $page['sections'] ) && 0 < count( $page['sections'] ) ) {
+
+							echo '<ul class="ui-tabs-nav">';
+
+							// Loop through page sections.
+							foreach ( (array) $page['sections'] as $section ) {
+								echo '<li id="tab_' . esc_attr( $section['id'] ) . '"><a href="#section_' . esc_attr( $section['id'] ) . '">' . wp_kses_post( $section['title'] ) . '</a></li>';
+							}
+
+							echo '</ul>';
+						}
+
+						// Sections.
+						echo '<div id="poststuff" class="metabox-holder">';
+
+						echo '<div id="post-body">';
+
+						echo '<div id="post-body-content">';
+
+						$this->do_settings_sections( isset( $_GET['page'] ) ? $_GET['page'] : '' ); // phpcs:ignore
+
+						echo '</div>';
+
+						echo '</div>';
+
+						echo '</div>';
+
+						echo '<div class="clear"></div>';
+
+						echo '</div>';
+
+						// Buttons.
+						if ( $show_buttons ) {
+
+							echo '<div class="option-tree-ui-buttons">';
+
+							echo '<button class="option-tree-ui-button button button-primary right">' . esc_html( $page['button_text'] ) . '</button>';
+
+							echo '</div>';
+						}
+
+						echo $show_buttons ? '</form>' : '</div>';
+
+						// Reset button.
+						if ( $show_buttons ) {
+
+							echo '<form method="post" action="' . esc_url_raw( str_replace( '&settings-updated=true', '', $_SERVER['REQUEST_URI'] ) ) . '">'; // phpcs:ignore
+
+							// Form nonce.
+							wp_nonce_field( 'option_tree_reset_form', 'option_tree_reset_nonce' );
+
+							echo '<input type="hidden" name="action" value="reset" />';
+
+							echo '<button type="submit" class="option-tree-ui-button button button-secondary left reset-settings" title="' . esc_html__( 'Reset Options', 'option-tree' ) . '">' . esc_html__( 'Reset Options', 'option-tree' ) . '</button>';
+
+							echo '</form>';
+						}
+
+						echo '</div>';
+					}
+				}
+			}
+
+			return false;
+		}
+
+		/**
+		 * Adds sections to the page
+		 *
+		 * @return bool
+		 *
+		 * @access public
+		 * @since  2.0
+		 */
+		public function add_sections() {
+
+			// Loop through options.
+			foreach ( (array) $this->options as $option ) {
+
+				// Loop through pages.
+				foreach ( (array) $this->get_pages( $option ) as $page ) {
+
+					// Loop through page sections.
+					foreach ( (array) $this->get_sections( $page ) as $section ) {
+
+						// Add each section.
+						add_settings_section(
+							$section['id'],
+							$section['title'],
+							array( $this, 'display_section' ),
+							$page['menu_slug']
+						);
+
+					}
+				}
+			}
+
+			return false;
+		}
+
+		/**
+		 * Callback for add_settings_section()
+		 *
+		 * @access public
+		 * @since  2.0
+		 */
+		public function display_section() {
+			/* currently pointless */
+		}
+
+		/**
+		 * Add settings the the page
+		 *
+		 * @return bool
+		 *
+		 * @access public
+		 * @since  2.0
+		 */
+		public function add_settings() {
+
+			// Loop through options.
+			foreach ( (array) $this->options as $option ) {
+
+				register_setting( $option['id'], $option['id'], array( $this, 'sanitize_callback' ) );
+
+				// Loop through pages.
+				foreach ( (array) $this->get_pages( $option ) as $page ) {
+
+					// Loop through page settings.
+					foreach ( (array) $this->get_the_settings( $page ) as $setting ) {
+
+						// Skip if missing setting ID, label, or section.
+						if ( ! isset( $setting['id'] ) || ! isset( $setting['label'] ) || ! isset( $setting['section'] ) ) {
+							continue;
+						}
+
+						// Add get_option param to the array.
+						$setting['get_option'] = $option['id'];
+
+						// Add each setting.
+						add_settings_field(
+							$setting['id'],
+							$setting['label'],
+							array( $this, 'display_setting' ),
+							$page['menu_slug'],
+							$setting['section'],
+							$setting
+						);
+					}
+				}
+			}
+
+			return false;
+		}
+
+		/**
+		 * Callback for add_settings_field() to build each setting by type
+		 *
+		 * @param  array $args Setting object array.
+		 *
+		 * @access public
+		 * @since  2.0
+		 */
+		public function display_setting( $args = array() ) {
+			extract( $args ); // phpcs:ignore
+
+			// Get current saved data.
+			$options = get_option( $get_option, false );
+
+			// Set field value.
+			$field_value = isset( $options[ $id ] ) ? $options[ $id ] : '';
+
+			// Set standard value.
+			if ( isset( $std ) ) {
+				$field_value = ot_filter_std_value( $field_value, $std );
+			}
+
+			// Allow the descriptions to be filtered before being displayed.
+			$desc = apply_filters( 'ot_filter_description', ( isset( $desc ) ? $desc : '' ), $id );
+
+			// Build the arguments array.
+			$_args = array(
+				'type'               => $type,
+				'field_id'           => $id,
+				'field_name'         => $get_option . '[' . $id . ']',
+				'field_value'        => $field_value,
+				'field_desc'         => $desc,
+				'field_std'          => isset( $std ) ? $std : '',
+				'field_rows'         => isset( $rows ) && ! empty( $rows ) ? $rows : 15,
+				'field_post_type'    => isset( $post_type ) && ! empty( $post_type ) ? $post_type : 'post',
+				'field_taxonomy'     => isset( $taxonomy ) && ! empty( $taxonomy ) ? $taxonomy : 'category',
+				'field_min_max_step' => isset( $min_max_step ) && ! empty( $min_max_step ) ? $min_max_step : '0,100,1',
+				'field_condition'    => isset( $condition ) && ! empty( $condition ) ? $condition : '',
+				'field_operator'     => isset( $operator ) && ! empty( $operator ) ? $operator : 'and',
+				'field_class'        => isset( $class ) ? $class : '',
+				'field_choices'      => isset( $choices ) && ! empty( $choices ) ? $choices : array(),
+				'field_settings'     => isset( $settings ) && ! empty( $settings ) ? $settings : array(),
+				'post_id'            => ot_get_media_post_ID(),
+				'get_option'         => $get_option,
+			);
+
+			// Limit DB queries for Google Fonts.
+			if ( 'google-fonts' === $type ) {
+				ot_fetch_google_fonts();
+				ot_set_google_fonts( $id, $field_value );
+			}
+
+			// Get the option HTML.
+			echo ot_display_by_type( $_args ); // phpcs:ignore
+		}
+
+		/**
+		 * Sets the option standards if nothing yet exists.
+		 *
+		 * @access public
+		 * @since  2.0
+		 */
+		public function initialize_settings() {
+
+			// Loop through options.
+			foreach ( (array) $this->options as $option ) {
+
+				// Skip if option is already set.
+				if ( isset( $option['id'] ) && get_option( $option['id'], false ) ) {
+					return false;
+				}
+
+				$defaults = array();
+
+				// Loop through pages.
+				foreach ( (array) $this->get_pages( $option ) as $page ) {
+
+					// Loop through page settings.
+					foreach ( (array) $this->get_the_settings( $page ) as $setting ) {
+
+						if ( isset( $setting['std'] ) ) {
+
+							$defaults[ $setting['id'] ] = ot_validate_setting( $setting['std'], $setting['type'], $setting['id'] );
+						}
+					}
+				}
+
+				update_option( $option['id'], $defaults );
+			}
+
+			return false;
+		}
+
+		/**
+		 * Sanitize callback for register_setting()
+		 *
+		 * @param mixed $input The setting input.
+		 * @return string
+		 *
+		 * @access public
+		 * @since  2.0
+		 */
+		public function sanitize_callback( $input ) {
+
+			// Store the post global for use later.
+			$post_global = $_POST; // phpcs:ignore
+
+			// Loop through options.
+			foreach ( (array) $this->options as $option ) {
+
+				// Loop through pages.
+				foreach ( (array) $this->get_pages( $option ) as $page ) {
+
+					// Loop through page settings.
+					foreach ( (array) $this->get_the_settings( $page ) as $setting ) {
+
+						// Verify setting has a type & value.
+						if ( isset( $setting['type'] ) && isset( $input[ $setting['id'] ] ) ) {
+
+							// Get the defaults.
+							$current_settings = get_option( ot_settings_id() );
+							$current_options  = get_option( $option['id'] );
+
+							// Validate setting.
+							if ( is_array( $input[ $setting['id'] ] ) && in_array( $setting['type'], array( 'list-item', 'slider' ), true ) ) {
+
+								// Required title setting.
+								$required_setting = array(
+									array(
+										'id'        => 'title',
+										'label'     => __( 'Title', 'option-tree' ),
+										'desc'      => '',
+										'std'       => '',
+										'type'      => 'text',
+										'rows'      => '',
+										'class'     => 'option-tree-setting-title',
+										'post_type' => '',
+										'choices'   => array(),
+									),
+								);
+
+								// Convert the settings to an array.
+								$settings = isset( $post_global[ $setting['id'] . '_settings_array' ] ) ? ot_decode( $post_global[ $setting['id'] . '_settings_array' ] ) : array();
+
+								// Settings are empty for some odd reason get the defaults.
+								if ( empty( $settings ) ) {
+									$settings = 'slider' === $setting['type'] ? ot_slider_settings( $setting['id'] ) : ot_list_item_settings( $setting['id'] );
+								}
+
+								// Merge the two settings arrays.
+								$settings = array_merge( $required_setting, $settings );
+
+								// Create an empty WPML id array.
+								$wpml_ids = array();
+
+								foreach ( $input[ $setting['id'] ] as $k => $setting_array ) {
+
+									$has_value = false;
+									foreach ( $settings as $sub_setting ) {
+
+										// Setup the WPML ID.
+										$wpml_id = $setting['id'] . '_' . $sub_setting['id'] . '_' . $k;
+
+										// Add id to array.
+										$wpml_ids[] = $wpml_id;
+
+										/* verify sub setting has a type & value */
+										if ( isset( $sub_setting['type'] ) && isset( $input[ $setting['id'] ][ $k ][ $sub_setting['id'] ] ) ) {
+
+											// Validate setting.
+											$input[ $setting['id'] ][ $k ][ $sub_setting['id'] ] = ot_validate_setting( $input[ $setting['id'] ][ $k ][ $sub_setting['id'] ], $sub_setting['type'], $sub_setting['id'], $wpml_id );
+											$has_value = true;
+										}
+									}
+
+									if ( ! $has_value ) {
+										unset( $input[ $setting['id'] ][ $k ] );
+									}
+								}
+							} elseif ( is_array( $input[ $setting['id'] ] ) && 'social-links' === $setting['type'] ) {
+
+								// Convert the settings to an array.
+								$settings = isset( $post_global[ $setting['id'] . '_settings_array' ] ) ? ot_decode( $post_global[ $setting['id'] . '_settings_array' ] ) : array();
+
+								// Settings are empty get the defaults.
+								if ( empty( $settings ) ) {
+									$settings = ot_social_links_settings( $setting['id'] );
+								}
+
+								// Create an empty WPML id array.
+								$wpml_ids = array();
+
+								foreach ( $input[ $setting['id'] ] as $k => $setting_array ) {
+
+									$has_value = false;
+									foreach ( $settings as $sub_setting ) {
+
+										// Setup the WPML ID.
+										$wpml_id = $setting['id'] . '_' . $sub_setting['id'] . '_' . $k;
+
+										// Add id to array.
+										$wpml_ids[] = $wpml_id;
+
+										// Verify sub setting has a type & value.
+										if ( isset( $sub_setting['type'] ) && isset( $input[ $setting['id'] ][ $k ][ $sub_setting['id'] ] ) ) {
+
+											if ( 'href' === $sub_setting['id'] ) {
+												$sub_setting['type'] = 'url';
+											}
+
+											// Validate setting.
+											$input_safe = ot_validate_setting( $input[ $setting['id'] ][ $k ][ $sub_setting['id'] ], $sub_setting['type'], $sub_setting['id'], $wpml_id );
+
+											if ( ! empty( $input_safe ) ) {
+												$input[ $setting['id'] ][ $k ][ $sub_setting['id'] ] = $input_safe;
+												$has_value = true;
+											}
+										}
+									}
+
+									if ( ! $has_value ) {
+										unset( $input[ $setting['id'] ][ $k ] );
+									}
+								}
+							} else {
+								$input[ $setting['id'] ] = ot_validate_setting( $input[ $setting['id'] ], $setting['type'], $setting['id'], $setting['id'] );
+							}
+						}
+
+						// Unregister WPML strings that were deleted from lists and sliders.
+						if ( isset( $current_settings['settings'] ) && isset( $setting['type'] ) && in_array( $setting['type'], array( 'list-item', 'slider' ), true ) ) {
+
+							if ( ! isset( $wpml_ids ) ) {
+								$wpml_ids = array();
+							}
+
+							foreach ( $current_settings['settings'] as $check_setting ) {
+
+								if ( $setting['id'] === $check_setting['id'] && ! empty( $current_options[ $setting['id'] ] ) ) {
+
+									foreach ( $current_options[ $setting['id'] ] as $key => $value ) {
+
+										foreach ( $value as $ckey => $cvalue ) {
+
+											$id = $setting['id'] . '_' . $ckey . '_' . $key;
+
+											if ( ! in_array( $id, $wpml_ids, true ) ) {
+												ot_wpml_unregister_string( $id );
+											}
+										}
+									}
+								}
+							}
+						}
+
+						/* unregister WPML strings that were deleted from social links */
+						if ( isset( $current_settings['settings'] ) && isset( $setting['type'] ) && 'social-links' === $setting['type'] ) {
+
+							if ( ! isset( $wpml_ids ) ) {
+								$wpml_ids = array();
+							}
+
+							foreach ( $current_settings['settings'] as $check_setting ) {
+
+								if ( $setting['id'] === $check_setting['id'] && ! empty( $current_options[ $setting['id'] ] ) ) {
+
+									foreach ( $current_options[ $setting['id'] ] as $key => $value ) {
+
+										foreach ( $value as $ckey => $cvalue ) {
+
+											$id = $setting['id'] . '_' . $ckey . '_' . $key;
+
+											if ( ! in_array( $id, $wpml_ids, true ) ) {
+												ot_wpml_unregister_string( $id );
+											}
+										}
+									}
+								}
+							}
+						}
+					}
+				}
+			}
+
+			return $input;
+		}
+
+		/**
+		 * Helper function to get the pages array for an option
+		 *
+		 * @param  array $option Option array.
+		 * @return mixed
+		 *
+		 * @access public
+		 * @since  2.0
+		 */
+		public function get_pages( $option = array() ) {
+
+			if ( empty( $option ) ) {
+				return false;
+			}
+
+			// Check for pages.
+			if ( isset( $option['pages'] ) && ! empty( $option['pages'] ) ) {
+
+				// Return pages array.
+				return $option['pages'];
+
+			}
+
+			return false;
+		}
+
+		/**
+		 * Helper function to get the sections array for a page
+		 *
+		 * @param  array $page Page array.
+		 * @return mixed
+		 *
+		 * @access public
+		 * @since  2.0
+		 */
+		public function get_sections( $page = array() ) {
+
+			if ( empty( $page ) ) {
+				return false;
+			}
+
+			// Check for sections.
+			if ( isset( $page['sections'] ) && ! empty( $page['sections'] ) ) {
+
+				// Return sections array.
+				return $page['sections'];
+
+			}
+
+			return false;
+		}
+
+		/**
+		 * Helper function to get the settings array for a page
+		 *
+		 * @param  array $page Page array.
+		 * @return mixed
+		 *
+		 * @access public
+		 * @since  2.0
+		 */
+		public function get_the_settings( $page = array() ) {
+
+			if ( empty( $page ) ) {
+				return false;
+			}
+
+			/* check for settings */
+			if ( isset( $page['settings'] ) && ! empty( $page['settings'] ) ) {
+
+				/* return settings array */
+				return $page['settings'];
+
+			}
+
+			return false;
+		}
+
+		/**
+		 * Prints out all settings sections added to a particular settings page
+		 *
+		 * @global $wp_settings_sections Storage array of all settings sections added to admin pages.
+		 * @global $wp_settings_fields   Storage array of settings fields and info about their pages/sections.
+		 *
+		 * @param  string $page The slug name of the page whos settings sections you want to output.
+		 * @return string
+		 *
+		 * @access public
+		 * @since  2.0
+		 */
+		public function do_settings_sections( $page ) {
+			global $wp_settings_sections, $wp_settings_fields;
+
+			if ( ! isset( $wp_settings_sections ) || ! isset( $wp_settings_sections[ $page ] ) ) {
+				return false;
+			}
+
+			foreach ( (array) $wp_settings_sections[ $page ] as $section ) {
+
+				if ( ! isset( $section['id'] ) ) {
+					continue;
+				}
+
+				$section_id = $section['id'];
+
+				echo '<div id="section_' . esc_attr( $section_id ) . '" class="postbox ui-tabs-panel">';
+
+				call_user_func( $section['callback'], $section );
+
+				if ( ! isset( $wp_settings_fields ) || ! isset( $wp_settings_fields[ $page ] ) || ! isset( $wp_settings_fields[ $page ][ $section_id ] ) ) {
+					continue;
+				}
+
+				echo '<div class="inside">';
+
+				/**
+				 * Hook to insert arbitrary markup before the `do_settings_fields` method.
+				 *
+				 * @since 2.6.0
+				 *
+				 * @param string $page       The page slug.
+				 * @param string $section_id The section ID.
+				 */
+				do_action( 'ot_do_settings_fields_before', $page, $section_id );
+
+				$this->do_settings_fields( $page, $section_id );
+
+				/**
+				 * Hook to insert arbitrary markup after the `do_settings_fields` method.
+				 *
+				 * @since 2.6.0
+				 *
+				 * @param string $page       The page slug.
+				 * @param string $section_id The section ID.
+				 */
+				do_action( 'ot_do_settings_fields_after', $page, $section_id );
+
+				echo '</div>';
+
+				echo '</div>';
+			}
+
+		}
+
+		/**
+		 * Print out the settings fields for a particular settings section
+		 *
+		 * @global $wp_settings_fields Storage array of settings fields and their pages/sections
+		 *
+		 * @param  string $page    Slug title of the admin page who's settings fields you want to show.
+		 * @param  string $section Slug title of the settings section who's fields you want to show.
+		 * @return string
+		 *
+		 * @access public
+		 * @since  2.0
+		 */
+		public function do_settings_fields( $page, $section ) {
+			global $wp_settings_fields;
+
+			if ( ! isset( $wp_settings_fields ) || ! isset( $wp_settings_fields[ $page ] ) || ! isset( $wp_settings_fields[ $page ][ $section ] ) ) {
+				return;
+			}
+
+			foreach ( (array) $wp_settings_fields[ $page ][ $section ] as $field ) {
+
+				$conditions = '';
+
+				if ( isset( $field['args']['condition'] ) && ! empty( $field['args']['condition'] ) ) {
+
+					$conditions  = ' data-condition="' . esc_attr( $field['args']['condition'] ) . '"';
+					$conditions .= isset( $field['args']['operator'] ) && in_array( $field['args']['operator'], array( 'and', 'AND', 'or', 'OR' ), true ) ? ' data-operator="' . esc_attr( $field['args']['operator'] ) . '"' : '';
+				}
+
+				// Build the setting CSS class.
+				if ( isset( $field['args']['class'] ) && ! empty( $field['args']['class'] ) ) {
+
+					$classes = explode( ' ', $field['args']['class'] );
+
+					foreach ( $classes as $key => $value ) {
+						$classes[ $key ] = $value . '-wrap';
+					}
+
+					$class = 'format-settings ' . implode( ' ', $classes );
+				} else {
+
+					$class = 'format-settings';
+				}
+
+				echo '<div id="setting_' . esc_attr( $field['id'] ) . '" class="' . esc_attr( $class ) . '"' . $conditions . '>'; // phpcs:ignore
+
+				echo '<div class="format-setting-wrap">';
+
+				if ( 'textblock' !== $field['args']['type'] && ! empty( $field['title'] ) ) {
+
+					echo '<div class="format-setting-label">';
+
+					echo '<h3 class="label">' . wp_kses_post( $field['title'] ) . '</h3>';
+
+					echo '</div>';
+				}
+
+				call_user_func( $field['callback'], $field['args'] );
+
+				echo '</div>';
+
+				echo '</div>';
+			}
+		}
+
+		/**
+		 * Resets page options before the screen is displayed
+		 *
+		 * @access public
+		 * @since  2.0
+		 *
+		 * @return bool
+		 */
+		public function reset_options() {
+
+			// Check for reset action.
+			if ( isset( $_POST['option_tree_reset_nonce'] ) && wp_verify_nonce( $_POST['option_tree_reset_nonce'], 'option_tree_reset_form' ) ) { // phpcs:ignore
+
+				// Loop through options.
+				foreach ( (array) $this->options as $option ) {
+
+					// Loop through pages.
+					foreach ( (array) $this->get_pages( $option ) as $page ) {
+
+						// Verify page.
+						if ( isset( $_GET['page'] ) && $_GET['page'] === $page['menu_slug'] ) {
+
+							// Reset options.
+							delete_option( $option['id'] );
+						}
+					}
+				}
+			}
+			return false;
+		}
+	}
+
+}
+
+if ( ! function_exists( 'ot_register_settings' ) ) {
+
+	/**
+	 * This method instantiates the settings class & builds the UI.
+	 *
+	 * @uses OT_Settings()
+	 *
+	 * @param array $args Array of arguments to create settings.
+	 *
+	 * @access public
+	 * @since  2.0
+	 */
+	function ot_register_settings( $args ) {
+		if ( ! $args ) {
+			return;
+		}
+
+		new OT_Settings( $args );
+	}
+}