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114 lines
3.3 KiB
PHTML
114 lines
3.3 KiB
PHTML
8 months ago
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<?php
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/**
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* Page Content Retriever is used to get Page related Contents from WordPress.
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*
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* @since 4.11.0
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*
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* @package Divi
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* @sub-package Builder
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*/
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namespace Feature\ContentRetriever;
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/**
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* PageContentRetriever Trait.
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*/
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trait PageContentRetriever {
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/**
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* Holds a Cache reference for every page content retrieved.
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*
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* @var array
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*/
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private $_cache = [];
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/**
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* Gets the entire page content, including TB Header, TB Body Layout, Post Content and TB Footer.
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*
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* Parameter $post must be given as a variable, since it is passed by reference.
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* If $post is not given, It then uses global $post if available.
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*
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* @since 4.11.0
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* @since 4.14.5 Return empty string on failure instead of null.
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*
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* @param WP_Post|int $post Optional. WP_Post instance or Post ID. Default null.
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*
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* @return string Empty string on failure.
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*/
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public function get_entire_page_content( $post = null ) {
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/**
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* Validation Checks.
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*/
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$is_using_global_post = false;
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if ( empty( $post ) && isset( $GLOBALS['post'] ) ) {
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$post = $GLOBALS['post'];
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$is_using_global_post = true;
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}
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if ( $post instanceof \WP_Post ) {
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$wp_post = $post;
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} else {
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$wp_post = \WP_Post::get_instance( $post );
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}
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// Return empty string on failure because the return value is mostly used along with
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// PHP PCRE or String functions that require non-nullable value.
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if ( ! $wp_post ) {
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return '';
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}
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/**
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* Core mechanics for retrieving content.
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*/
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if ( $this->_cache && isset( $this->_cache[ $wp_post->ID ] ) ) {
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return $this->_cache[ $wp_post->ID ];
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}
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if ( $is_using_global_post ) {
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$layouts = et_theme_builder_get_template_layouts();
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} else {
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$layouts = et_theme_builder_get_template_layouts( \ET_Theme_Builder_Request::from_post( $wp_post->ID ) );
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}
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$entire_page_content = '';
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$enabled_layout_ids = [
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ET_THEME_BUILDER_HEADER_LAYOUT_POST_TYPE => null,
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ET_THEME_BUILDER_BODY_LAYOUT_POST_TYPE => null,
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'content' => 'content',
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ET_THEME_BUILDER_FOOTER_LAYOUT_POST_TYPE => null,
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];
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foreach ( $layouts as $key => $layout ) {
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$is_layout_enabled = isset( $layout['enabled'], $layout['override'] ) && true === $layout['enabled'] && true === $layout['override'];
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$enabled_layout_ids[ $key ] = ( array_key_exists( $key, $enabled_layout_ids ) && $is_layout_enabled ) ? $layout['id'] : null;
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}
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$enabled_layout_ids = array_filter( $enabled_layout_ids );
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/**
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* $enabled_layout_ids will be in the following order, (assuming each are present):
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* header, body, footer.
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* We're intentionally adding the post content so that it's appended
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* right after the body layout, making the final order of $entire_page_content:
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* header, body, post content, footer.
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* They need to be in order for Critical CSS. Otherwise we don't know what
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* content comes first and is above the fold.
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*/
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foreach ( $enabled_layout_ids as $key => $layout_id ) {
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if ( 'content' === $layout_id ) {
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$entire_page_content .= $wp_post->post_content;
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} else {
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$layout = get_post( $layout_id );
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$entire_page_content .= $layout->post_content;
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}
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}
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$this->_cache = array_replace( $this->_cache, [ $wp_post->ID => $entire_page_content ] );
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return $entire_page_content;
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}
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}
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