[[["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:2025-06-16 (世界標準時間)。"],[[["This socket API is not recommended anymore, as apps using it are limited to the PHP 5 runtime and need to migrate to a different solution before upgrading to PHP 7/8."],["App Engine supports outbound sockets through standard PHP library methods like `fsockopen`, with limited options for `socket_get_option` and `socket_set_option`."],["Only outbound sockets are allowed; creating listen sockets is not possible, and certain protocols like FTP and arbitrary protocols are unsupported."],["Specific restrictions apply, such as the inability to bind to specific IPs or ports, the blocking of port 25, and the blocking of private, broadcast, and multicast IP ranges, except for specific Google services like Google Public DNS and Gmail."],["Sockets are non-transferable and may be automatically reclaimed after 10 minutes of inactivity, with any socket operation extending their life by another 10 minutes."]]],[]]