Automattic\WooCommerce\EmailEditor\Engine\Renderer\ContentRenderer\Postprocessors

Variables_Postprocessor::postprocess │ public │ WC 1.0

Postprocess the HTML.

Method of the class: Variables_Postprocessor{}

No Hooks.

Returns

String.

Usage

$Variables_Postprocessor = new Variables_Postprocessor();
$Variables_Postprocessor->postprocess( $html ): string;

$html(string) (required)

HTML to postprocess.

Variables_Postprocessor::postprocess() Variables Postprocessor::postprocess code ^{WC 10.7.0}

public function postprocess( string $html ): string {
	$variables    = $this->theme_controller->get_variables_values_map();
	$replacements = array();

	foreach ( $variables as $name => $value ) {
		$var_pattern                  = '/' . preg_quote( 'var(' . $name . ')', '/' ) . '/i';
		$replacements[ $var_pattern ] = $value;
	}

	// We want to replace the CSS variables only in the style attributes to avoid replacing the actual content.
	$processor = new \WP_HTML_Tag_Processor( $html );

	while ( $processor->next_tag() ) {
		$style = $processor->get_attribute( 'style' );

		if ( null !== $style && true !== $style ) {
			// Replace CSS variables with their values.
			$processed_style = preg_replace( array_keys( $replacements ), array_values( $replacements ), $style );

			if ( null !== $processed_style ) {
				$processor->set_attribute( 'style', $processed_style );
			}
		}
	}

	return $processor->get_updated_html();
}