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<?php
/**
* Class Google\Site_Kit\Core\Util\BC_Functions
*
* @package Google\Site_Kit\Core\Util
* @copyright 2021 Google LLC
* @license https://www.apache.org/licenses/LICENSE-2.0 Apache License 2.0
* @link https://sitekit.withgoogle.com
*/
namespace Google\Site_Kit\Core\Util;
use BadMethodCallException;
use WP_REST_Request;
/**
* Class for providing backwards compatible core functions, without polyfilling.
*
* @since 1.7.0
* @access private
* @ignore
*/
class BC_Functions {
/**
* Proxies calls to global functions, while falling back to the internal method by the same name.
*
* @since 1.7.0
*
* @param string $function_name Function name to call.
* @param array $arguments Arguments passed to function.
* @return mixed
* @throws BadMethodCallException Thrown if no method exists by the same name as the function.
*/
public static function __callStatic( $function_name, $arguments ) {
if ( function_exists( $function_name ) ) {
return call_user_func_array( $function_name, $arguments );
}
if ( method_exists( __CLASS__, $function_name ) ) {
return self::{ $function_name }( ...$arguments );
}
throw new BadMethodCallException( "$function_name does not exist." );
}
/**
* Append result of internal request to REST API for purpose of preloading data to be attached to a page.
* Expected to be called in the context of `array_reduce`.
*
* @since 1.7.0
* @since WP 5.0.0
*
* @param array $memo Reduce accumulator.
* @param string $path REST API path to preload.
* @return array Modified reduce accumulator.
*/
protected static function rest_preload_api_request( $memo, $path ) {
// array_reduce() doesn't support passing an array in PHP 5.2, so we need to make sure we start with one.
if ( ! is_array( $memo ) ) {
$memo = array();
}
if ( empty( $path ) ) {
return $memo;
}
$method = 'GET';
if ( is_array( $path ) && 2 === count( $path ) ) {
$method = end( $path );
$path = reset( $path );
if ( ! in_array( $method, array( 'GET', 'OPTIONS' ), true ) ) {
$method = 'GET';
}
}
$path_parts = parse_url( $path ); // phpcs:ignore WordPress.WP.AlternativeFunctions.parse_url_parse_url
if ( false === $path_parts ) {
return $memo;
}
$request = new WP_REST_Request( $method, $path_parts['path'] );
if ( ! empty( $path_parts['query'] ) ) {
parse_str( $path_parts['query'], $query_params );
$request->set_query_params( $query_params );
}
$response = rest_do_request( $request );
if ( 200 === $response->status ) {
$server = rest_get_server();
$data = (array) $response->get_data();
$links = $server::get_compact_response_links( $response );
if ( ! empty( $links ) ) {
$data['_links'] = $links;
}
if ( 'OPTIONS' === $method ) {
$response = rest_send_allow_header( $response, $server, $request );
$memo[ $method ][ $path ] = array(
'body' => $data,
'headers' => $response->headers,
);
} else {
$memo[ $path ] = array(
'body' => $data,
'headers' => $response->headers,
);
}
}
return $memo;
}
/**
* A fallback for the load_script_textdomain function introduced in the WordPress version 5.0.0.
*
* @since 1.21.0
*
* @return boolean Always returns FALSE.
*/
protected static function load_script_textdomain() {
return false;
}
/**
* Basic implementation of the wp_sanitize_script_attributes function introduced in the WordPress version 5.7.0.
*
* @since 1.41.0
*
* @param array $attributes Key-value pairs representing `<script>` tag attributes.
* @return string String made of sanitized `<script>` tag attributes.
*/
protected static function wp_sanitize_script_attributes( $attributes ) {
$attributes_string = '';
foreach ( $attributes as $attribute_name => $attribute_value ) {
if ( is_bool( $attribute_value ) ) {
if ( $attribute_value ) {
$attributes_string .= ' ' . esc_attr( $attribute_name );
}
} else {
$attributes_string .= sprintf( ' %1$s="%2$s"', esc_attr( $attribute_name ), esc_attr( $attribute_value ) );
}
}
return $attributes_string;
}
/**
* A fallback for the wp_get_script_tag function introduced in the WordPress version 5.7.0.
*
* @since 1.41.0
*
* @param array $attributes Key-value pairs representing `<script>` tag attributes.
* @return string String containing `<script>` opening and closing tags.
*/
protected static function wp_get_script_tag( $attributes ) {
return sprintf( "<script %s></script>\n", self::wp_sanitize_script_attributes( $attributes ) );
}
/**
* A fallback for the wp_print_script_tag function introduced in the WordPress version 5.7.0.
*
* @since 1.41.0
*
* @param array $attributes Key-value pairs representing `<script>` tag attributes.
*/
protected static function wp_print_script_tag( $attributes ) {
echo self::wp_get_script_tag( $attributes ); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
}
/**
* A fallback for the wp_get_inline_script_tag function introduced in the WordPress version 5.7.0.
*
* @since 1.41.0
*
* @param string $javascript Inline JavaScript code.
* @param array $attributes Optional. Key-value pairs representing `<script>` tag attributes.
* @return string String containing inline JavaScript code wrapped around `<script>` tag.
*/
protected static function wp_get_inline_script_tag( $javascript, $attributes = array() ) {
$javascript = "\n" . trim( $javascript, "\n\r " ) . "\n";
return sprintf( "<script%s>%s</script>\n", self::wp_sanitize_script_attributes( $attributes ), $javascript );
}
/**
* A fallback for the wp_get_inline_script_tag function introduced in the WordPress version 5.7.0.
*
* @since 1.41.0
*
* @param string $javascript Inline JavaScript code.
* @param array $attributes Optional. Key-value pairs representing `<script>` tag attributes.
*/
protected static function wp_print_inline_script_tag( $javascript, $attributes = array() ) {
echo self::wp_get_inline_script_tag( $javascript, $attributes ); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
}
}
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