original_string: public function init() {
  		if ( ! post_type_exists( $this->post_type ) ) {
  			$post_type = register_post_type( $this->post_type, $this->args );
  			if ( is_wp_error( $post_type ) ) {
  				return $post_type;
  			}
  		}
  		if ( '' !== $this->title_placeholder ) {
  			add_filter( 'enter_title_here', array( $this, 'update_placeholder' ) );
  		}
  	}
code: public function init() {
  		if ( ! post_type_exists( $this->post_type ) ) {
  			$post_type = register_post_type( $this->post_type, $this->args );
  			if ( is_wp_error( $post_type ) ) {
  				return $post_type;
  			}
  		}
  		if ( '' !== $this->title_placeholder ) {
  			add_filter( 'enter_title_here', array( $this, 'update_placeholder' ) );
  		}
  	}
code_tokens: public function init ( ) { if ( ! post_type_exists ( $ this -> post_type ) ) { $ post_type = register_post_type ( $ this -> post_type , $ this -> args ) ; if ( is_wp_error ( $ post_type ) ) { return $ post_type ; } } if ( '' !== $ this -> title_placeholder ) { add_filter ( 'enter_title_here' , array ( $ this , 'update_placeholder' ) ) ; } }
docstring: Function that register the CPT first tests if there is no such CPT on
  the site.
  
  @since 0.1.0
docstring_tokens: Function that register the CPT first tests if there is no such CPT on the site .