+global\The_Neverending_Home_Page::get_settings()

Complexity

Conditions	43
Paths	601

Size

Total Lines

181

Duplication

Lines	22
Ratio	12.15 %

Importance

Changes

0

<?php
	static function get_settings() {
		if ( is_null( self::$settings ) ) {
			$css_pattern = '#[^A-Z\d\-_]#i';

			$settings = $defaults = array(
				'type'            => 'scroll', // scroll | click
				'requested_type'  => 'scroll', // store the original type for use when logic overrides it
				'footer_widgets'  => false, // true | false | sidebar_id | array of sidebar_ids -- last two are checked with is_active_sidebar
				'container'       => 'content', // container html id
				'wrapper'         => true, // true | false | html class
				'render'          => false, // optional function, otherwise the `content` template part will be used
				'footer'          => true, // boolean to enable or disable the infinite footer | string to provide an html id to derive footer width from
				'footer_callback' => false, // function to be called to render the IS footer, in place of the default
				'posts_per_page'  => false, // int | false to set based on IS type
				'click_handle'    => true, // boolean to enable or disable rendering the click handler div. If type is click and this is false, page must include its own trigger with the HTML ID `infinite-handle`.
			);

			// Validate settings passed through add_theme_support()
			$_settings = get_theme_support( 'infinite-scroll' );

			if ( is_array( $_settings ) ) {
				// Preferred implementation, where theme provides an array of options
				if ( isset( $_settings[0] ) && is_array( $_settings[0] ) ) {
					foreach ( $_settings[0] as $key => $value ) {
						switch ( $key ) {
							case 'type' :
								if ( in_array( $value, array( 'scroll', 'click' ) ) )
									$settings[ $key ] = $settings['requested_type'] = $value;

								break;

							case 'footer_widgets' :
								if ( is_string( $value ) )
									$settings[ $key ] = sanitize_title( $value );
								elseif ( is_array( $value ) )
									$settings[ $key ] = array_map( 'sanitize_title', $value );
								elseif ( is_bool( $value ) )
									$settings[ $key ] = $value;

								break;

							case 'container' :
							case 'wrapper' :
								if ( 'wrapper' == $key && is_bool( $value ) ) {
									$settings[ $key ] = $value;
								} else {
									$value = preg_replace( $css_pattern, '', $value );

									if ( ! empty( $value ) )
										$settings[ $key ] = $value;
								}

								break;

							case 'render' :
								if ( false !== $value && is_callable( $value ) ) {
									$settings[ $key ] = $value;
								}

								break;

							case 'footer' :
								if ( is_bool( $value ) ) {
									$settings[ $key ] = $value;
								} elseif ( is_string( $value ) ) {
									$value = preg_replace( $css_pattern, '', $value );

									if ( ! empty( $value ) )
										$settings[ $key ] = $value;
								}

								break;

							case 'footer_callback' :
								if ( is_callable( $value ) )
									$settings[ $key ] = $value;
								else
									$settings[ $key ] = false;

								break;

							case 'posts_per_page' :
								if ( is_numeric( $value ) )
									$settings[ $key ] = (int) $value;

								break;

							case 'click_handle' :
								if ( is_bool( $value ) ) {
									$settings[ $key ] = $value;
								}

								break;

							default:
								break;
						}
					}
				} elseif ( is_string( $_settings[0] ) ) {
					// Checks below are for backwards compatibility

					// Container to append new posts to
					$settings['container'] = preg_replace( $css_pattern, '', $_settings[0] );

					// Wrap IS elements?
					if ( isset( $_settings[1] ) )
						$settings['wrapper'] = (bool) $_settings[1];
				}
			}

			// Always ensure all values are present in the final array
			$settings = wp_parse_args( $settings, $defaults );

			// Check if a legacy `infinite_scroll_has_footer_widgets()` function is defined and override the footer_widgets parameter's value.
			// Otherwise, if a widget area ID or array of IDs was provided in the footer_widgets parameter, check if any contains any widgets.
			// It is safe to use `is_active_sidebar()` before the sidebar is registered as this function doesn't check for a sidebar's existence when determining if it contains any widgets.
			if ( function_exists( 'infinite_scroll_has_footer_widgets' ) ) {
				$settings['footer_widgets'] = (bool) infinite_scroll_has_footer_widgets();
			} elseif ( is_array( $settings['footer_widgets'] ) ) {
				$sidebar_ids = $settings['footer_widgets'];
				$settings['footer_widgets'] = false;

				foreach ( $sidebar_ids as $sidebar_id ) {
					if ( is_active_sidebar( $sidebar_id ) ) {
						$settings['footer_widgets'] = true;
						break;
					}
				}

				unset( $sidebar_ids );
				unset( $sidebar_id );
			} elseif ( is_string( $settings['footer_widgets'] ) ) {
				$settings['footer_widgets'] = (bool) is_active_sidebar( $settings['footer_widgets'] );
			}

			/**
			 * Filter Infinite Scroll's `footer_widgets` parameter.
			 *
			 * @module infinite-scroll
			 *
			 * @since 2.0.0
			 *
			 * @param bool $settings['footer_widgets'] Does the current theme have Footer Widgets.
			 */
			$settings['footer_widgets'] = apply_filters( 'infinite_scroll_has_footer_widgets', $settings['footer_widgets'] );

			// Finally, after all of the sidebar checks and filtering, ensure that a boolean value is present, otherwise set to default of `false`.
			if ( ! is_bool( $settings['footer_widgets'] ) )
				$settings['footer_widgets'] = false;

			// Ensure that IS is enabled and no footer widgets exist if the IS type isn't already "click".
			if ( 'click' != $settings['type'] ) {
				// Check the setting status
				$disabled = '' === get_option( self::$option_name_enabled ) ? true : false;

				// Footer content or Reading option check
				if ( $settings['footer_widgets'] || $disabled )
					$settings['type'] = 'click';
			}

			// Force display of the click handler and attendant bits when the type isn't `click`
			if ( 'click' !== $settings['type'] ) {
				$settings['click_handle'] = true;
			}

			// Store final settings in a class static to avoid reparsing
			/**
			 * Filter the array of Infinite Scroll settings.
			 *
			 * @module infinite-scroll
			 *
			 * @since 2.0.0
			 *
			 * @param array $settings Array of Infinite Scroll settings.
			 */
			self::$settings = apply_filters( 'infinite_scroll_settings', $settings );
		}

		/** This filter is already documented in modules/infinite-scroll/infinity.php */
		return (object) apply_filters( 'infinite_scroll_settings', self::$settings );
	}