apply_filters( ‘template_include’, string $template )

User Contributed Notes

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   Julio Potier 5 years ago

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   This example includes a new template on a page called ‘portfolio’ if the new template file was found.

   add_filter( 'template_include', 'portfolio_page_template', 99 );
   function portfolio_page_template( $template ) {
       if ( is_page( 'portfolio' )  ) {
           $new_template = locate_template( array( 'portfolio-page-template.php' ) );
   	if ( '' != $new_template ) {
   	    return $new_template ;
   	}
       }
       return $template;
   }
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   Rezwan Shiblu 5 years ago

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   /**
   * multiple custom routing with one page
   */
   add_filter( 'template_include', 'wpdocs_include_template_files_on_page' );
   
   function wpdocs_include_template_files_on_page( $template ) {
   
   	$action = isset( $_GET['action'] ) ? $_GET['action'] : 'list';
   
   	switch ( $action ) {
   
   		case 'add-list' :
   			$template = __DIR__ . 'views/address-new.php';
   			break;
   
   		case 'edit-list' :
   			$template = __DIR__ . 'views/address-edit.php';
   			break;
   
   		case 'view-list' :
   			$template = __DIR__ . 'views/address-view.php';
   			break;
   
   		default :
   			$template = __DIR__ . 'views/address-list.php';
   			break;			
   	}
   
   	return $template;
   }

   • It is advisable to use a different variable for the new template, check if the file for the new template exists, and if not, use the original value.

     crstauf 3 years ago