


PHP implements a method to determine whether a page or image has been compressed by gzip
The following editor will bring you a PHP method to determine whether a page or image has been compressed by gzip. The editor thinks it’s pretty good, so I’ll share it with you now and give it as a reference. Let’s follow the editor and take a look
Use php to determine whether the page or image has been compressed by gzip
1. Use get_headers
Page content
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Use get_headers to determine whether to use gzip compression
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Test results:
When ob_gzhandler is added, true is returned, false is returned after deletion
2. Use curl
Picture
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Use curl to determine whether to use gzip compression
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Test results:
When ob_gzhandler is added, true is returned, false is returned after deletion
The above is the entire content of this article, I hope it will be helpful to everyone’s study.
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