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function is not described

resume_theme() WP 5.2.0

Tries to resume a single theme.

If a redirect was provided and a functions.php file was found, we first ensure that functions.php file does not throw fatal errors anymore.

The way it works is by setting the redirection to the error before trying to include the file. If the theme fails, then the redirection will not be overwritten with the success message and the theme will not be resumed.

No Hooks.

Return

true|false|WP_Error. True on success, false if $theme was not paused, WP_Error on failure.

Usage

resume_theme( $theme, $redirect );
$theme(string) (required)
Single theme to resume.
$redirect(string)
URL to redirect to.
Default: empty string

Changelog

Since 5.2.0 Introduced.

Code of resume_theme() WP 5.8.2

function resume_theme( $theme, $redirect = '' ) {
	list( $extension ) = explode( '/', $theme );

	/*
	 * We'll override this later if the theme could be resumed without
	 * creating a fatal error.
	 */
	if ( ! empty( $redirect ) ) {
		$functions_path = '';
		if ( strpos( STYLESHEETPATH, $extension ) ) {
			$functions_path = STYLESHEETPATH . '/functions.php';
		} elseif ( strpos( TEMPLATEPATH, $extension ) ) {
			$functions_path = TEMPLATEPATH . '/functions.php';
		}

		if ( ! empty( $functions_path ) ) {
			wp_redirect(
				add_query_arg(
					'_error_nonce',
					wp_create_nonce( 'theme-resume-error_' . $theme ),
					$redirect
				)
			);

			// Load the theme's functions.php to test whether it throws a fatal error.
			ob_start();
			if ( ! defined( 'WP_SANDBOX_SCRAPING' ) ) {
				define( 'WP_SANDBOX_SCRAPING', true );
			}
			include $functions_path;
			ob_clean();
		}
	}

	$result = wp_paused_themes()->delete( $extension );

	if ( ! $result ) {
		return new WP_Error(
			'could_not_resume_theme',
			__( 'Could not resume the theme.' )
		);
	}

	return true;
}