Automattic\WooCommerce\EmailEditor\Integrations\Utils

Html_Processing_Helper::sanitize_image_styles │ private static │ WC 1.0

Sanitize inline styles for image elements - only allow safe properties for email rendering.

Method of the class: Html_Processing_Helper{}

No Hooks.

Returns

String. Sanitized style value.

Usage

$result = Html_Processing_Helper::sanitize_image_styles( $style_value ): string;

$style_value(string) (required)

Raw style value.

Html_Processing_Helper::sanitize_image_styles() Html Processing Helper::sanitize image styles code ^{WC 10.8.1}

private static function sanitize_image_styles( string $style_value ): string {
	$sanitized_styles = array();
	$style_parts      = explode( ';', $style_value );

	foreach ( $style_parts as $style_part ) {
		$style_part = trim( $style_part );
		if ( empty( $style_part ) ) {
			continue;
		}

		$property_parts = explode( ':', $style_part, 2 );
		if ( count( $property_parts ) !== 2 ) {
			continue;
		}

		$property = trim( strtolower( $property_parts[0] ) );
		$value    = trim( $property_parts[1] );

		// Allow safe CSS properties for images in email rendering.
		$safe_properties = array( 'width', 'height', 'max-width', 'max-height', 'display', 'margin', 'padding', 'border', 'border-radius' );
		if ( in_array( $property, $safe_properties, true ) ) {
			$sanitized_value = self::sanitize_css_value( $value );
			if ( ! empty( $sanitized_value ) ) {
				$sanitized_styles[] = $property . ': ' . $sanitized_value;
			}
		}
	}

	return implode( '; ', $sanitized_styles );
}