ID ) ) { return $content; } // Check if this is the last call of the_content. if ( doing_filter( 'the_content' ) && (int) $wp_filters['the_content'] !== $filter_calls ) { return $content; } // Return if this is a mobile device and disable on mobile option is enabled. if ( wp_is_mobile() && crp_get_option( 'disable_on_mobile' ) ) { return $content; } // Return if this is an amp page and disable on amp option is enabled. if ( function_exists( 'is_amp_endpoint' ) && is_amp_endpoint() && crp_get_option( 'disable_on_amp' ) ) { return $content; } // Check exclusions. if ( crp_exclude_on( $post, $crp_settings ) ) { return $content; // Exit without adding related posts. } $add_to = crp_get_option( 'add_to', false ); // Else add the content. if ( ( ( is_single() ) && ! empty( $add_to['single'] ) ) || ( ( is_page() ) && ! empty( $add_to['page'] ) ) || ( ( is_home() ) && ! empty( $add_to['home'] ) ) || ( ( is_category() ) && ! empty( $add_to['category_archives'] ) ) || ( ( is_tag() ) && ! empty( $add_to['tag_archives'] ) ) || ( ( ( is_tax() ) || ( is_author() ) || ( is_date() ) ) && ! empty( $add_to['other_archives'] ) ) ) { $crp_code = get_crp( 'is_widget=0' ); return crp_generate_content( $content, $crp_code ); } else { return $content; } } /** * Helper for inserting crp code into or alongside content * * @since 2.3.0 * * @param string $content Post content. * @param string $crp_code CRP generated code. * @return string After the filter has been processed */ function crp_generate_content( $content, $crp_code ) { $insert_after_paragraph = crp_get_option( 'insert_after_paragraph' ); if ( -1 === (int) $insert_after_paragraph || ! is_numeric( $insert_after_paragraph ) ) { return $content . $crp_code; } elseif ( 0 === (int) $insert_after_paragraph ) { return $crp_code . $content; } else { return crp_insert_after_paragraph( $content, $crp_code, $insert_after_paragraph ); } } /** * Helper for inserting code after a closing paragraph tag * * @since 2.3.0 * * @param string $content Post content. * @param string $crp_code CRP generated code. * @param string $paragraph_id Paragraph number to insert after. * @return string After the filter has been processed */ function crp_insert_after_paragraph( $content, $crp_code, $paragraph_id ) { $closing_p = '

'; $paragraphs = explode( $closing_p, $content ); if ( count( $paragraphs ) >= $paragraph_id ) { foreach ( $paragraphs as $index => $paragraph ) { if ( trim( $paragraph ) ) { $paragraphs[ $index ] .= $closing_p; } if ( (int) $paragraph_id === $index + 1 ) { $paragraphs[ $index ] .= $crp_code; } } return implode( '', $paragraphs ); } return $content . $crp_code; } /** * Filter to add related posts to feeds. * * @since 1.8.4 * * @param string $content Post content. * @return string Formatted content */ function crp_rss_filter( $content ) { $add_to = crp_get_option( 'add_to', false ); $limit_feed = crp_get_option( 'limit_feed' ); $show_excerpt_feed = crp_get_option( 'show_excerpt_feed' ); $post_thumb_op_feed = crp_get_option( 'post_thumb_op_feed' ); if ( isset( $add_to['feed'] ) && $add_to['feed'] ) { $output = $content; $output .= get_crp( 'is_widget=0&limit=' . $limit_feed . '&show_excerpt=' . $show_excerpt_feed . '&post_thumb_op=' . $post_thumb_op_feed ); return $output; } else { return $content; } } add_filter( 'the_excerpt_rss', 'crp_rss_filter' ); add_filter( 'the_content_feed', 'crp_rss_filter' ); /** * Echos the related posts. Used for manual install * * @since 1.0.1 * * @param string $args Array of arguments to control the output. */ function echo_crp( $args = array() ) { $defaults = array( 'is_manual' => true, ); // Parse incomming $args into an array and merge it with $defaults. $args = wp_parse_args( $args, $defaults ); echo get_crp( $args ); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped }