first commit
This commit is contained in:
Roman Pyrih
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<?php
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defined('ABSPATH') || exit;
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/* * * * * * * * * * * * * * * * * * * * *
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*
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* ██████╗ ███╗ ███╗ ██████╗ ███████╗
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* ██╔═══██╗████╗ ████║██╔════╝ ██╔════╝
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* ██║ ██║██╔████╔██║██║ ███╗█████╗
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* ██║ ██║██║╚██╔╝██║██║ ██║██╔══╝
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* ╚██████╔╝██║ ╚═╝ ██║╚██████╔╝██║
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* ╚═════╝ ╚═╝ ╚═╝ ╚═════╝ ╚═╝
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*
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* @package : OMGF
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* @author : Daan van den Bergh
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* @copyright: (c) 2021 Daan van den Bergh
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* @url : https://daan.dev
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* * * * * * * * * * * * * * * * * * * */
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class OMGF_OptimizationMode_Manual
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{
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/** @var string */
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private $plugin_text_domain = 'host-webfonts-local';
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/**
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* Build class.
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*
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* @return void
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*/
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public function __construct()
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{
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$this->run();
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}
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/**
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* Run Manual mode.
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*
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* @return void
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*/
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private function run()
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{
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$url = esc_url_raw(OMGF_MANUAL_OPTIMIZE_URL);
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$front_html = $this->get_front_html($url);
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$error = false;
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if (is_wp_error($front_html) || wp_remote_retrieve_response_code($front_html) != 200) {
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$this->frontend_fetch_failed($front_html);
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$error = true;
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}
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$api_request_urls = [];
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$document = new DOMDocument();
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libxml_use_internal_errors(true);
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@$document->loadHtml(wp_remote_retrieve_body($front_html));
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foreach ($document->getElementsByTagName('link') as $link) {
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/** @var DOMElement $link */
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if ($link->hasAttribute('href') && strpos($link->getAttribute('href'), '/omgf/v1/download/')) {
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$api_request_urls[] = $link->getAttribute('href');
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}
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}
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if (empty($api_request_urls)) {
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$this->no_urls_found();
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$error = true;
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}
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foreach ($api_request_urls as $url) {
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if (strpos($url, 'css2') !== false) {
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$url = $this->convert($url);
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}
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$download = $this->do_rest_request($url);
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/** @var WP_REST_Response $download */
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if ($download->is_error()) {
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$this->download_failed($download);
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$error = true;
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}
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}
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if (!$error) {
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$this->optimization_succeeded();
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}
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}
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/**
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* Converts requests to Google's Variable Fonts (CSS2) API to the 'old' (CSS) API.
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*
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* @param string $css2_url
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*/
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private function convert($css2_url)
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{
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$parsed_url = parse_url($css2_url);
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$query = $parsed_url['query'];
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parse_str($query, $params);
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$raw_params = explode('&', $query);
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$font_families = [];
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$fonts = [];
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foreach ($raw_params as $param) {
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if (strpos($param, 'family') === false) {
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continue;
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}
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parse_str($param, $parts);
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$font_families[] = $parts['family'];
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}
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if (empty($font_families)) {
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return $css2_url;
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}
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foreach ($font_families as $font_family) {
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if (strpos($font_family, ':') !== false) {
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list($family, $weights) = explode(':', $font_family);
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} else {
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$family = $font_family;
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$weights = '';
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}
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/**
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* @return array [ '300', '400', '500', etc. ]
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*/
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$weights = explode(';', substr($weights, strpos($weights, '@') + 1));
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foreach ($weights as &$weight) {
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$properties = explode(',', $weight);
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$weight = $properties[0] == '1' ? $properties[1] . 'italic' : $properties[1];
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}
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$fonts[] = $family . ':' . implode(',', $weights);
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}
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$params['family'] = implode('|', $fonts);
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return $parsed_url['scheme'] . '://' . $parsed_url['host'] . $parsed_url['path'] . '?' . http_build_query($params);
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}
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/**
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* @param string $url
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*
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* @return WP_REST_Response
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*/
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private function do_rest_request($url)
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{
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$parsed_url = parse_url($url);
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$request = new WP_REST_Request('GET', str_replace('/wp-json', '', $parsed_url['path']));
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parse_str($parsed_url['query'], $query_params);
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if (isset($query_params['_wpnonce'])) {
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unset($query_params['_wpnonce']);
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}
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$request->set_query_params($query_params);
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// TODO: Find out proper WP way to add this param to request.
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$_REQUEST['_wpnonce'] = wp_create_nonce('wp_rest');
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return rest_do_request($request);
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}
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/**
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* @return void
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*/
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private function optimization_succeeded()
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{
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add_settings_error('general', 'omgf_optimization_success', __('Optimization completed successfully.'), 'success');
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OMGF_Admin_Notice::set_notice(
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__('If you\'re using any 3rd party optimization plugins (e.g. WP Rocket, Autoptimize, W3 Total Cache, etc.) make sure to flush their caches for OMGF\'s optimizations to take effect.', $this->plugin_text_domain),
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'omgf-cache-notice',
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false,
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'warning'
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);
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}
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/**
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* @param $response WP_REST_Response
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*/
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private function download_failed($response)
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{
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add_settings_error('general', 'omgf_download_failed', __('OMGF encountered an error while downloading Google Fonts', $this->plugin_text_domain) . ': ' . $this->get_error_code($response) . ' - ' . $this->get_error_message($response), 'error');
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}
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/**
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* @param $response WP_Error|array
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*/
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private function frontend_fetch_failed($response)
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{
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add_settings_error('general', 'omgf_frontend_fetch_failed', __('OMGF encountered an error while fetching this site\'s frontend HTML', $this->plugin_text_domain) . ': ' . $this->get_error_code($response) . ' - ' . $this->get_error_message($response), 'error');
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}
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/**
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* @return void
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*/
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private function no_urls_found()
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{
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add_settings_error('general', 'omgf_no_urls_found', sprintf(__('No (additional) Google Fonts found to optimize. If you believe this is an error, please refer to the %stroubleshooting%s section of the documentation for possible solutions.', $this->plugin_text_domain), '<a href="https://docs.ffw.press/category/37-omgf-pro---troubleshooting">', '</a>'), 'info');
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}
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/**
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* Wrapper for wp_remote_get() with preset params.
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*
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* @param mixed $url
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* @return array|WP_Error
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*/
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private function get_front_html($url)
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{
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return wp_remote_get(
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$this->no_cache_optimize_url($url),
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[
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'timeout' => 30
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]
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);
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}
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/**
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* @param $url
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*
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* @return string
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*/
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private function no_cache_optimize_url($url)
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{
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return add_query_arg(['omgf_optimize' => 1, 'nocache' => substr(md5(microtime()), rand(0, 26), 5)], $url);
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}
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/**
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* @param WP_REST_Response|WP_Error|array $response
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*
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* @return int|string
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*/
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private function get_error_code($response)
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{
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if ($response instanceof WP_REST_Response && $response->is_error()) {
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// Convert to WP_Error if WP_REST_Response
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$response = $response->as_error();
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}
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if (is_wp_error($response)) {
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return $response->get_error_code();
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}
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return wp_remote_retrieve_response_code($response);
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}
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/**
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* @param WP_REST_Response|WP_Error|array $response
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*
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* @return int|string
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*/
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private function get_error_message($response)
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{
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if ($response instanceof WP_REST_Response && $response->is_error()) {
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// Convert to WP_Error if WP_REST_Response
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$response = $response->as_error();
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}
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if (is_wp_error($response)) {
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return $response->get_error_message();
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}
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return wp_remote_retrieve_response_message($response);
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}
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}
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