wp_filter_global_styles_post() WordPress Function

function wp_filter_global_styles_post( $data ) {
	$decoded_data        = json_decode( wp_unslash( $data ), true );
	$json_decoding_error = json_last_error();
	if (
		JSON_ERROR_NONE === $json_decoding_error &&
		is_array( $decoded_data ) &&
		isset( $decoded_data['isGlobalStylesUserThemeJSON'] ) &&
		$decoded_data['isGlobalStylesUserThemeJSON']
	) {
		unset( $decoded_data['isGlobalStylesUserThemeJSON'] );

		$data_to_encode = WP_Theme_JSON::remove_insecure_properties( $decoded_data );

		$data_to_encode['isGlobalStylesUserThemeJSON'] = true;
		return wp_slash( wp_json_encode( $data_to_encode ) );
	}
	return $data;
}
Uses	Description
wp-includes/class-wp-theme-json.php:WP_Theme_JSON::remove_insecure_properties()	Removes insecure data from theme.json.
wp-includes/functions.php:wp_json_encode()	Encode a variable into JSON, with some sanity checks.
wp-includes/formatting.php:wp_unslash()	Removes slashes from a string or recursively removes slashes from strings within an array.
wp-includes/formatting.php:wp_slash()	Adds slashes to a string or recursively adds slashes to strings within an array.