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Php content length gzip

Content-Encoding: PHP sends incorrect Content-Length when gzip is used on a re this report I found that the problem was caused by an incorrect Content-Length header in combination with a Content-Encoding: gzip header. The length indicated by the Content-Length is actually the length of the original, uncompressed body, but it should have. When apache returns a gzip compressed response with response code and empty body server returns invalid header Content-Length: 20 instead of Content-Length: 0. Without gzip compression (without Accept-Encoding header) server returns valid header Content-Length: 0. GZip and chunked encoding are used together all of the time on the Web, so I doubt the problem is caused by that alone. You shouldn't send a Content-Length header if chunked encoding is in use. Also, when you negotiate for gzip, you should send Vary: Accept-Encoding (on compressed and uncompressed responses), and if you send ETags, they need to.

Php content length gzip

Content-Encoding: PHP sends incorrect Content-Length when gzip is used on a re this report I found that the problem was caused by an incorrect Content-Length header in combination with a Content-Encoding: gzip header. The length indicated by the Content-Length is actually the length of the original, uncompressed body, but it should have. That includes (in this case) not just adding a "Content-Encoding: gzip" header, but removing or editing the "Content-Length" header as well. This is not really a question of the script setting a correct or incorrect header, but of the PHP postprocessing step allowing an obviously incorrect header value to . GZip and chunked encoding are used together all of the time on the Web, so I doubt the problem is caused by that alone. You shouldn't send a Content-Length header if chunked encoding is in use. Also, when you negotiate for gzip, you should send Vary: Accept-Encoding (on compressed and uncompressed responses), and if you send ETags, they need to. To solve your firefox issue, I think you need to include header("Content-Encoding: gzip"); so that the browser knows to decompress the content.. As for the content length, you can try just leaving this value off, or try to figure out a way to use "Transfer-Encoding: chunked" (you can't jsut send this header, you need to format the data specially for it). I would really appreciate some help understanding this Apache behaviour. I am communicating to PHP from an iPhone Objective-C app in application/json. Gzip compression is enabled on the server, and. ob_gzhandler() is intended to be used as a callback function for ob_start() to help facilitate sending gz-encoded data to web browsers that support compressed web pages. Before ob_gzhandler() actually sends compressed data, it determines what type of content encoding the browser will accept ("gzip", "deflate" or none at all) and will return its output accordingly. When apache returns a gzip compressed response with response code and empty body server returns invalid header Content-Length: 20 instead of Content-Length: 0. Without gzip compression (without Accept-Encoding header) server returns valid header Content-Length: 0.T compressed http responses without content-length not cached by . sends gzip content with TE: chunked (no content length), varnish doesn't cache it. The Accept-Encoding request HTTP header advertises which content encoding, usually a compression algorithm, the client is able to. The problem here is that to know the content length you need to know . I recommend you get wireshark and capture what your php script is. HTTP compression is a capability that can be built into web servers and web clients to improve The most common compression schemes include gzip and Deflate; however, a full list of GMT Accept-Ranges: bytes Content-Length: Connection: close Content-Type: text/html; charset=UTF-8 Content-Encoding: gzip. Increasing this buffer size will therefore prevent the server using chunked encoding also for larger files, causing the Content-Length to be sent. Before ob_gzhandler() actually sends compressed data, it determines what type of content encoding the browser will accept ("gzip", "deflate" or none at all) and. I hit this before on Chrome and blamed all my infrastructure, I had to put header(' Content-length: '. strlen($output)); in my kansascityarea.org to force. Gzip, content length, header, cache, size of file content length header This seems to be a fairly obvious problem and I even found a PHP bug. For more information on the GZIP file format, see the document:» GZIP file format Had some trouble finding the correct way to send a Content-Length header. need some workaround with last changes from Content-Size to Content-Length header("Content-Length: ".strlen($spc_output)); in kansascityarea.org check this out, click the following article,please click for source,this web page,visit web page

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