Alert: This function’s access is marked private. This means it is not intended for use by plugin or theme developers, only in other core functions. It is listed here for completeness.

LLMS_Certificates::scrape_certificate( int $certificate_id )

Scrape a LifterLMS Certificate permalink and return the generated HTML.

Parameters Parameters


(int) (Required) WP_Post ID of the earned certificate (an "llms_my_certificate" post).

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Return Return

(WP_Error|string) WP_Error on failure or the full page HTML on success.

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Source Source

File: includes/class.llms.certificates.php

	private function scrape_certificate( $certificate_id ) {

		// Create a nonce for getting the export HTML.
		$token = wp_generate_password( 32, false );
		update_post_meta( $certificate_id, '_llms_auth_nonce', $token );

		 * Modify the URL used to scrape the HTML of a certificate in preparation for a certificate export.
		 * @since 3.18.0
		 * @param string $url            Certificate permalink with a one-time use authorization token appended as a query string variable.
		 * @param int    $certificate_id WP_Post ID of the earned certificate (an "llms_my_certificate" post).
		$url = apply_filters(
				get_permalink( $certificate_id )

		// Perform the request.
		$req = wp_safe_remote_get(
				'sslverify' => false,

		// Delete the token after the request.
		delete_post_meta( $certificate_id, '_llms_auth_nonce', $token );

		// Error.
		if ( is_wp_error( $req ) ) {
			return $req;

		return wp_remote_retrieve_body( $req );


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Changelog Changelog

Version Description
3.37.3 Introduced.

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