[[["容易理解","easyToUnderstand","thumb-up"],["確實解決了我的問題","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["難以理解","hardToUnderstand","thumb-down"],["資訊或程式碼範例有誤","incorrectInformationOrSampleCode","thumb-down"],["缺少我需要的資訊/範例","missingTheInformationSamplesINeed","thumb-down"],["翻譯問題","translationIssue","thumb-down"],["其他","otherDown","thumb-down"]],["上次更新時間:2025-08-19 (世界標準時間)。"],[[["\u003cp\u003eThe \u003ccode\u003eREGION_ID\u003c/code\u003e is a Google-assigned code based on the region selected during app creation, included in App Engine URLs for apps created after February 2020, but it does not directly correspond to specific countries or provinces.\u003c/p\u003e\n"],["\u003cp\u003eApp Engine uses the URL Fetch service to handle outbound HTTP(S) requests, and PHP offers stream handlers, the cURL extension, and cURL "lite" for making these requests, each with different implementations and associated quotas.\u003c/p\u003e\n"],["\u003cp\u003eStream handlers use the URL Fetch service, the cURL extension uses the Sockets service (requiring billing to be enabled), and cURL "lite" is a Google-supplied version of the cURL library that also uses the URL Fetch service, and certain functions are unsupported.\u003c/p\u003e\n"],["\u003cp\u003eGuzzle HTTP library is recommended as it provides an abstraction layer for HTTP requests, enabling switching between services without code rewrites, and it uses stream handlers or cURL handlers based on availability.\u003c/p\u003e\n"],["\u003cp\u003eDisabling redirects is recommended for enhanced security, and if an app sends requests to another App Engine app, it must include the \u003ccode\u003eX-Appengine-Inbound-Appid\u003c/code\u003e header to assert its identity.\u003c/p\u003e\n"]]],[],null,[]]