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<?php |
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/** |
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* Auto Load Next Post Template |
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* |
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* Functions for the templating system. |
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* |
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* @since 1.6.0 |
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* @author Sébastien Dumont |
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* @category Core |
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* @package Auto Load Next Post/Functions |
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* @license GPL-2.0+ |
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*/ |
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// Exit if accessed directly. |
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if ( ! defined( 'ABSPATH' ) ) { |
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exit; |
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} |
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if ( ! function_exists( 'alnp_template_redirect' ) ) { |
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/** |
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* When the 'alnp' endpoint is used on a singular post it forces |
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* the template redirect to retrieve only the post content. |
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* |
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* @since 1.0.0 |
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* @version 1.6.0 |
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* @global WP_Query $wp_query - The object information defining the current request and determines what type of query it's dealing with. See https://codex.wordpress.org/Class_Reference/WP_Query |
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*/ |
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function alnp_template_redirect() { |
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global $wp_query; |
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// If this is not a request for alnp or a singular object then bail. |
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if ( ! isset( $wp_query->query_vars['alnp'] ) || ! is_singular() ) { |
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return; |
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} |
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/** |
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* Load the template file from the theme (child or parent) if one exists. |
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* If theme does not have a template file for Auto Load Next Post, |
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* the plugin will load a default template. |
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*/ |
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$child_path = get_stylesheet_directory() . '/' . AUTO_LOAD_NEXT_POST_TEMPLATE_PATH; |
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$template_path = get_template_directory() . '/' . AUTO_LOAD_NEXT_POST_TEMPLATE_PATH; |
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$default_path = AUTO_LOAD_NEXT_POST_FILE_PATH; |
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$template_redirect = ''; |
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if ( file_exists( $child_path . 'content-alnp.php' ) ) { |
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$template_redirect = $child_path . 'content-alnp.php'; |
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} else if ( file_exists( $template_path . 'content-alnp.php' ) ) { |
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$template_redirect = $template_path . 'content-alnp.php'; |
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} else if ( file_exists( $default_path . '/templates/content-alnp.php' ) ) { |
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$template_redirect = $default_path . '/templates/content-alnp.php'; |
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} |
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$template_redirect = apply_filters( 'alnp_template_redirect', $template_redirect ); |
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include( $template_redirect ); |
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exit; |
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} // END alnp_template_redirect() |
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} |
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if ( ! function_exists( 'auto_load_next_post_comments' ) ) { |
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/** |
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* Adds the comments template after the post content. |
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* |
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* @since 1.4.8 |
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* @version 1.5.4 |
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*/ |
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function auto_load_next_post_comments() { |
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// If comments are open or we have at least one comment, load up the comment template. |
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if ( comments_open() || get_comments_number() ) : |
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comments_template(); |
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endif; |
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} // END auto_load_next_post_comments() |
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} |
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if ( ! function_exists( 'auto_load_next_post_navigation' ) ) { |
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/** |
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* Adds the post navigation for the previous link only after the post content. |
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* |
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* @since 1.4.8 |
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* @version 1.5.4 |
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*/ |
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function auto_load_next_post_navigation() { |
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?> |
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<nav class="navigation post-navigation" role="navigation"> |
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<span class="nav-previous"><?php previous_post_link( '%link', '<span class="meta-nav">' . _x( '←', 'Previous post link', 'auto-load-next-post' ) . '</span> %title' ); ?></span> |
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</nav> |
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<?php |
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} // END auto_load_next_post_navigation() |
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} |
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if ( ! function_exists( 'alnp_get_locations' ) ) { |
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/** |
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* Get list of locations as to where the content for the theme is located. |
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* The list is in the order to look for the templates that store the content. |
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* |
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* @since 1.6.0 |
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* @return array |
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*/ |
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function alnp_get_locations() { |
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return array( |
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'', // Parent theme folder |
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'components/', |
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'components/post/', |
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'components/page/', |
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'template-parts/', |
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'template-parts/content/', |
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'template-parts/post/', |
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'template-parts/page/', |
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'templates/', |
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'partials/', |
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'loop-templates/' |
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); |
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} // END alnp_get_locations() |
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} |
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if ( ! function_exists( 'alnp_get_templates' ) ) { |
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/** |
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* Get list of templates to look for. |
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* |
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* @since 1.6.0 |
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* @param string $post_type |
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* @param string $post_format |
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* @return array |
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*/ |
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function alnp_get_templates( $post_type = 'post', $post_format = '' ) { |
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$get_standard = array( |
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'content-single.php', |
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'content-post.php', |
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'content-' . $post_type . '.php', |
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'content.php' |
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); |
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if ( ! empty( $post_format ) ) { |
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$get_formats = array( |
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'format-' . $post_format . '.php', |
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'content' . $post_format . '.php' |
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); |
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return array_merge( $get_standard, $get_formats ); |
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} |
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return $get_standard; |
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} // END alnp_get_templates() |
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} |
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if ( ! function_exists( 'alnp_scan_directories' ) ) { |
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/** |
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* Scans for the theme template directory depending on the post type requested and saves it. |
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* |
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* @since 1.6.0 |
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* @param string $post_type |
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* @param string $post_format |
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*/ |
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function alnp_scan_directories( $post_type = 'post', $post_format = '' ) { |
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// Possible locations where the content files are found. |
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$locations = alnp_get_locations(); |
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// Templates to look for based on the post that is loaded. |
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$templates = alnp_get_templates( $post_type, $post_format ); |
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$content_found = false; |
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// Scanning all possible locations. |
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foreach( $locations as $location ) { |
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// Scanning all possible templates within the locations. |
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foreach( $templates as $template ) { |
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// Remove forwardslash if location is the parent theme folder. |
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if ( empty( $location ) ) { |
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$location = str_replace('/', '', $location); |
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} |
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// If a template has been found then save it. |
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if ( locate_template( $location . $template ) != '' && $content_found !== true ) { |
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// Save template found. |
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if ( ! empty( $post_format ) ) { |
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update_option( 'auto_load_next_post_directory_post_' . $post_format, $location ); |
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} else { |
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update_option( 'auto_load_next_post_directory_' . $post_type, $location ); |
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} |
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$content_found = true; |
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} |
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} |
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} |
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} // END alnp_scan_directories() |
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} |
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View Code Duplication |
if ( ! function_exists( 'alnp_get_template_directory' ) ) { |
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/** |
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* Returns the template directory saved. |
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* |
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* @since 1.6.0 |
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* @param string $post_type |
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* @param string $post_format |
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* @return string $template |
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*/ |
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function alnp_get_template_directory( $post_type = 'post', $post_format = '' ) { |
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if ( ! empty( $post_format ) ) { |
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$template = get_option( 'auto_load_next_post_directory_post_' . $post_format ); |
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} else { |
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$template = get_option( 'auto_load_next_post_directory_' . $post_type ); |
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} |
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if ( !$template ) { |
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return ''; |
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} |
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return $template; |
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} // END alnp_get_template_directory() |
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} |
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View Code Duplication |
if ( ! function_exists( 'alnp_get_template' ) ) { |
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/** |
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* Returns the template file saved. |
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* |
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* @since 1.6.0 |
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* @param string $post_type |
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* @param string $post_format |
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* @return string $template |
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*/ |
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function alnp_get_template( $post_type = 'post', $post_format = '' ) { |
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if ( ! empty( $post_format ) ) { |
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$template = get_option( 'auto_load_next_post_template_post_' . strtolower( $post_format ) ); |
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} else { |
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$template = get_option( 'auto_load_next_post_template_' . strtolower( $post_type ) ); |
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} |
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if ( !$template ) { |
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return ''; |
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} |
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return $template; |
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} // END alnp_get_template() |
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} |
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if ( ! function_exists( 'alnp_find_template' ) ) { |
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/** |
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* Scans through the active theme to look for the content to load. |
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* If the content is not found then the fallback will be used. |
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* |
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* @since 1.6.0 |
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* @param string $location |
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* @param string $post_type |
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* @param string $post_format |
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* @return array |
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*/ |
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function alnp_find_template( $location = '', $post_type, $post_format ) { |
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// Templates to look for based on the post that is loaded. |
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$templates = alnp_get_templates( $post_type, $post_format ); |
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$found = false; |
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// Scanning all possible templates within the set location. |
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foreach( $templates as $template ) { |
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// Remove forwardslash if location is the parent theme folder. |
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if ( empty( $location ) ) { |
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$location = str_replace('/', '', $location); |
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} |
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// If a template has been found then return it. |
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if ( locate_template( $location . $template ) != '' && $found != true ) { |
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$file = $location . $template; |
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if ( ! empty( $post_format ) ) { |
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update_option( 'auto_load_next_post_template_post_' . strtolower( $post_format ), $file ); |
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} else { |
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update_option( 'auto_load_next_post_template_' . strtolower( $post_type ), $file ); |
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} |
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$found = true; |
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} |
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} |
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return array( |
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'template' => $file, |
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'found' => $found |
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); |
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} // END alnp_find_template() |
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} |
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if ( ! function_exists( 'alnp_load_content' ) ) { |
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/** |
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* Loads theme template set either by theme support or setup wizard. |
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* If the content is not found then a fallback template will be used. |
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* |
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* @since 1.6.0 |
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* @param string $post_type |
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* @param string $post_format |
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*/ |
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function alnp_load_content( $post_type, $post_format ) { |
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// Returns template location for supported themes. |
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$template_location = alnp_template_location(); |
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$content_found = false; |
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// Check and return directory and template if already found. |
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if ( empty( $template_location ) ) { |
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$directory = alnp_get_template_directory( $post_type, $post_format ); |
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} else { |
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$directory = $template_location; |
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} |
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$template = alnp_get_template( $post_type, $post_format ); |
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if ( ! empty( $directory ) && ! empty( $template ) ) { |
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$template = $directory . $template; |
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$content_found = true; |
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} else { |
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// Possible locations where the content files are found. |
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312
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$locations = alnp_get_locations(); |
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|
314
|
|
|
// Scanning all possible locations. |
|
315
|
|
|
foreach( $locations as $location ) { |
|
316
|
|
|
$template = alnp_find_template( $directory, $post_type, $post_format ); |
|
|
|
|
|
|
317
|
|
|
$content_found = $template['found']; |
|
318
|
|
|
} |
|
319
|
|
|
} |
|
320
|
|
|
|
|
321
|
|
|
// Can be overridden. |
|
322
|
|
|
$content_found = apply_filters( 'alnp_content_found', $content_found ); |
|
323
|
|
|
|
|
324
|
|
|
// Check if the user has forced the use of the fallback template. |
|
325
|
|
|
$use_fallback = get_option( 'auto_load_next_post_use_fallback' ); |
|
326
|
|
|
|
|
327
|
|
|
// If content is found then load the template part. |
|
328
|
|
|
if ( $content_found && empty( $use_fallback ) ) { |
|
329
|
|
|
locate_template( $template, true, false ); |
|
330
|
|
|
} |
|
331
|
|
|
else { |
|
332
|
|
|
do_action( 'alnp_load_content', $post_type ); |
|
333
|
|
|
} |
|
334
|
|
|
} // END alnp_load_content() |
|
335
|
|
|
} |
|
336
|
|
|
|
|
337
|
|
|
if ( ! function_exists( 'alnp_load_fallback_content' ) ) { |
|
338
|
|
|
/** |
|
339
|
|
|
* Load fallback template should no content file be found. |
|
340
|
|
|
* |
|
341
|
|
|
* @since 1.6.0 |
|
342
|
|
|
* @param string $post_type |
|
343
|
|
|
*/ |
|
344
|
|
|
function alnp_load_fallback_content( $post_type ) { |
|
345
|
|
|
get_template_part( AUTO_LOAD_NEXT_POST_FILE_PATH . '/templates/content/content', $post_type ); |
|
346
|
|
|
} // END alnp_load_fallback_content() |
|
347
|
|
|
} |
|
348
|
|
|
|
When comparing two booleans, it is generally considered safer to use the strict comparison operator.