PHP limit file Download speed

Local file that should is send to the client $local _file = ' test-file.zip '; filename that the user gets as default $download _file = ' your-download-name.zip '; Set the download rate limit (= 20,5 kb/s) $download _rate = 20.5; if (file_exists ($local _file) && is_file ($local _file)) { Send headers Header (' cache-control:private '); Header (' Content-type:application/octet-stream '); Header (' Content-length: '. FileSize ($local _file)); Header (' content-disposition:filename= '. $download _file); Flush Content Flush (); Open File stream $file = fopen ($local _file, "R"); while (!feof ($file)) { Send the current file part to the browser Print fread ($file, round ($download _rate * 1024)); Flush the content to the browser Flush (); Sleep One second Sleep (1); } Close file stream Fclose ($file); } else { Die (' error:the file '. $local _file, ' does not exist! '); } Copy Code

Download speed, PHP

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