<?php
/**
 * Page Post Hide Title
 */

 if ( !class_exists( 'hpt_hidepagetitle' ) ) {
 /*Class*/
     class hpt_hidepagetitle {
     	private $hpt_slug = 'hpt_headertitle';
     	private $hpt_selector = '.entry-title';
     	private $title;
     	private $hpt_afthead = false;
 /*Constructor*/
         function __construct(){
 	        add_action( 'add_meta_boxes', array( $this, 'hpt_hptaddbox' ) );
 			add_action( 'save_post', array( $this, 'hpt_hptsave' ) );
 			add_action( 'delete_post', array( $this, 'hpt_hptdelete' ) );
 			add_action( 'wp_head', array( $this, 'hpt_hptheadinsert' ), 3000 );
 			add_action( 'the_title', array( $this, 'hpt_hptwraptitle' ) );
 			add_action( 'wp_enqueue_scripts', array( $this, 'hpt_hptloadscripts' ) );
         }
 /*Function HPT hidden*/
 		private function hpt_ishidden(  ){	if( is_singular() ){
 				global $post;
 				$toggle = get_post_meta( $post->ID, $this->hpt_slug, true );
 				if( (bool) $toggle ){return true;} else {return false;}}
 				else {return false;}
 				}
 /*Function hptheadinseart for Hiding page title*/
     	public function hpt_hptheadinsert()
 		 { if( $this->hpt_ishidden() ){ ?> <!-- Hide Page Title -->
               <script type="text/javascript">
 				jQuery(document).ready(function($){
 				  if( $('<?php echo $this->hpt_selector; ?>').length != 0 ) {
 					$('<?php echo $this->hpt_selector; ?> span.<?php echo $this->hpt_slug; ?>').parents('<?php echo $this->hpt_selector; ?>:first').hide();
 				    } else {
 					  $('h1 span.<?php echo $this->hpt_slug; ?>').parents('h1:first').hide();
 					  $('h2 span.<?php echo $this->hpt_slug; ?>').parents('h2:first').hide();
 				   }
 				});
               </script><noscript><style type="text/css"> <?php echo $this->hpt_selector; ?> { display:none !important; }</style></noscript>
              <!-- END Hide Page Title-->
 	    <?php }$this->hpt_afthead = true;
 		 }
 /*Function hptaddbox*/
 		public function hpt_hptaddbox(){$posttypes = array( 'post', 'page' );
 			foreach ( $posttypes as $posttype ){add_meta_box( $this->hpt_slug, 'Hide Page and Post Title', array( $this, 'build_hptbox' ), $posttype, 'side' );}
 		}
 /*Adding box in admindashboard*/
 		public function build_hptbox( $post ){
 			$value = get_post_meta( $post->ID, $this->hpt_slug, true );
 			$checked = '';
 			if( (bool) $value ){ $checked = ' checked="checked"'; }
 			wp_nonce_field( $this->hpt_slug . '_dononce', $this->hpt_slug . '_noncename' );	?>
 			<label><input type="checkbox" name="<?php echo $this->hpt_slug; ?>" <?php echo $checked; ?> /> Hide the title.</label><?php
 		}
 /*HPT wraptitle function*/
 		public function hpt_hptwraptitle( $hptcontent ){
 			if( $this->hpt_ishidden() && $hptcontent == $this->title && $this->hpt_afthead ){$hptcontent = '<span class="' . $this->hpt_slug . '">' . $hptcontent . '</span>';
 			}return $hptcontent;
 		}
 /*Script*/
 		public function hpt_hptloadscripts(){
 			global $post;
 			$this->title = $post->post_title;
 			if( $this->hpt_ishidden() ){wp_enqueue_script( 'jquery' );}
 		}

 /*Autosave metabox*/
 		public function hpt_hptsave( $postID ){
 			if ( ( defined('DOING_AUTOSAVE') && DOING_AUTOSAVE )
 				|| !isset( $_POST[ $this->hpt_slug . '_noncename' ] )
 				|| !wp_verify_nonce( $_POST[ $this->hpt_slug . '_noncename' ], $this->hpt_slug . '_dononce' ) ) {
 				return $postID;
 			}
 			$old = get_post_meta( $postID, $this->hpt_slug, true );
 			$new = $_POST[ $this->hpt_slug ] ;
 			if( $old ){if ( is_null( $new ) ){delete_post_meta( $postID, $this->hpt_slug );} else { update_post_meta( $postID, $this->hpt_slug, $new, $old );}
 			} elseif ( !is_null( $new ) ){add_post_meta( $postID, $this->hpt_slug, $new, true );}
 			return $postID;
 		}
 /*Delete metabox */
 		public function hpt_hptdelete( $postID ){delete_post_meta( $postID, $this->hpt_slug );return $postID;}
 		public function set_hpt_selector( $hpt_selector ){if( isset( $hpt_selector ) && is_string( $hpt_selector ) ){$this->hpt_selector = $hpt_selector;}
 		}

 /*ENDclass Hide page title*/
     }$hpt_hidepagetitle = new hpt_hidepagetitle;
 }