You do transport and development of children's shoes, will often encounter a problem, that is, someone in the office to download things, the speed of natural is pulled down, affecting everyone online, office. The same problem, if it appears on the server, it is estimated that the boss will be angry, things will develop worse ... Today we would like to recommend a few lines about PHP restrictions on the speed of the code, I hope to give you some help.
Code [PHP] Code
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Local file, should be send to the client |
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$local _file = ' test-file.zip '; |
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filename that the user gets as default |
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$download _file = ' your-download-name.zip '; |
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Set the download rate limit (=> 20,5 kb/s) |
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if (file_exists ($local _file) && is_file ($local _file)) { |
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Header (' cache-control:private '); |
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Header (' Content-type:application/octet-stream '); |
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Header (' Content-length: ' FileSize ($local _file)); |
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Header (' content-disposition:filename= '. $download _file); |
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$file = fopen ($local _file, "R"); |
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Send the current file the browser |
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Print fread ($file, round ($download _rate * 1024)); |
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Flush the content to the browser |
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Die (' error:the file '. $local _file. ' does not exist! '); |