In PHP, the size of the file is detected based on the HTTP protocol (that is, the size of the remote file is obtained without downloading the file), using the URL function get_headers – get all the headers sent by the server to respond to an HTTP request
浏览量： 3 1. Reference URL:https://www.shuijingwanwq.com/2021/08/10/5155/. In PHP, the size of the file is detected based on the HTTP protocol (that is, the size of the remote file is obtained without downloading the file), the...
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