content("before-excerpt") . $content; } public function after_excerpt($content) { return $content . $this->content("after-excerpt"); } /* Post */ public function before_post($content) { return $this->content("before-post") . $content; } public function after_post($content) { return $content . $this->content("after-post"); } public function intra_post($content) { $content_length = strlen( wp_strip_all_tags($content) ); if ( $content_length < get_option("admg_intra_post_min_length", 200) ) { // Content is too short. Append this to the end of the post return $content . $this->content("intra-post"); } else { // Split the html in half, being mindful not to break markup, paragraphs, or words // Create a 'DOMNodeList' of of the contents children $content = "

$content

"; $dom = new DOMDocument(); $dom->preserveWhiteSpace = false; libxml_use_internal_errors(true); $dom->loadHTML($content); $xpath = new DOMXPath($dom); $obj = $xpath->query('//div[@id="am-temp-wrap"]'); $nodes = $obj->item(0)->childNodes; $half = $nodes->length / 2; // Loop through the node list and inject adverts apx. halfway $i = 0; $markup = ''; foreach( $nodes as $node ) { if ( $i === $half ) { $markup .= $this->content("intra-post"); } $markup .= $node->ownerDocument->saveHTML($node); $i ++; } return $markup; } } /* Helpers */ private function location( $slug ) { $admg_location = admg_get_location( array("where" => "system = 1 AND slug = '$slug'") ); return $admg_location->id; } private function content( $slug ) { return admg_adverts( $this->location($slug) ); } } $ADMG_Hooks = new ADMG_Hooks;