uo_generate_preview_certificate_tcpdf_dest

Description

Usage

add_filter( 'uo_generate_preview_certificate_tcpdf_dest', 'your_function_name', 10, 1 );

Return Value

The filtered value.

Examples

/**
 * Filter to change the output destination for preview certificates.
 *
 * By default, 'I' (inline display in browser) is used for previews.
 * This example demonstrates how to change it to 'D' (force download).
 */
add_filter( 'uo_generate_preview_certificate_tcpdf_dest', function( $destination ) {
	// Check if a specific condition is met to change the output.
	// For example, if a specific query parameter is present in the URL,
	// or if the user is an administrator.
	if ( isset( $_GET['force_download_preview'] ) && $_GET['force_download_preview'] === 'true' ) {
		return 'D'; // Force download
	}

	// Otherwise, return the original destination (inline display).
	return $destination;
}, 10, 1 );

Placement

This code should be placed in the functions.php file of your active theme, a custom plugin, or using a code snippets plugin.

Source Code

src/includes/tcpdf-certificate-code.php:818

$output = apply_filters( 'uo_generate_group_certificate_tcpdf_dest', 'F' );
				break;
			case 'course':
				$output = apply_filters( 'uo_generate_course_certificate_tcpdf_dest', 'F' );
				break;
			case 'preivew':
			default:
				$output = apply_filters( 'uo_generate_preview_certificate_tcpdf_dest', 'I' );
				break;

		}

		$pdf->Output( $full_path, $output ); /* F means saving on server. */

		// Reset current user ID to original.

Related Hooks

• learndash_certification_content_write_cell_after — fires_nearby
• uo_generate_course_certificate_tcpdf_dest — fires_nearby
• uo_generate_group_certificate_tcpdf_dest — fires_nearby
• uo_generate_quiz_certificate_tcpdf_dest — fires_nearby