Gzinflate Function.gzinflate Data Error In
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Php Warning Gzinflate()
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up gzinflate erroring up vote 1 down vote favorite Well, I'm trying to gzdeflate my code to perform some very low level encryption for distribution, to use with eval(gzinflate('deflated_code')); However whenever I try to inflate the deflated string, it outputs an error. For example: echo(gzdeflate('test')); outputs +I-.� But when I try to echo(gzinflate('+I-.�')); it only outputs Warning: gzinflate() [function.gzinflate]: data error Is there warning: wp-includes\class-wp-http-encoding.php:58 - gzinflate(): data error something I'm missing? Why is it outputting this error rather than test? php share|improve this question asked Jun 2 '10 at 9:51 Rob 2,375154890 add a comment| 1 Answer 1 active oldest votes up vote 4 down vote accepted The output of $s = gzdeflate('test'); for ($i=0; $i a New Ticket Search: LoginNotifications Context Navigation ← Previous TicketNext Ticket → Opened 4 years ago Closed 12 days ago #22952 closed defect (bug) (duplicate) WP_HTTP can cause PHP Warnings during attempted decompression Reported by: dd32 Owned by: Milestone: Priority: normal Severity: normal Version: 3.3 Component: HTTP API Keywords: has-patch needs-testing Focuses: Cc: Description (last modified by SergeyBiryukov) WARNING: wp-includes/class-http.php:1656 - gzinflate(): data error WP_Http_Encoding can cause PHP Warnings when it attempts to decompress data using gzinflate() which http://stackoverflow.com/questions/2956527/gzinflate-erroring has been encoded in any way. We currently work around this this in a few ways, but we still take a "try it and see" method instead of detecting the compressed contents signature and handling it appropriately. Attached is a first-run patch at detecting Huffman coding, which is what we currently use @gzinflate( https://core.trac.wordpress.org/ticket/22952 substr( $gzData, 2 ) ) for (and hey, who doesn't like making magic numbers clearer?) I have been running a similar patch on WordPress.com and gathering data on how the myriad of different Web Servers out there respond, and so far this causes it to correctly identify the vast majority of responses. It appears that we may also be attempting to decompress compressed files retrieved through WP_HTTP on some poorly configured servers, but this is something I haven't yet traced properly. Attachments (3) 22952.diff (2.2 KB) - added by dd32 4 years ago. 22952.2.diff (2.2 KB) - added by dd32 4 years ago. 22952.3.diff (4.6 KB) - added by dd32 2 years ago. Download all attachments as: .zip Oldest first Newest first Threaded Comments only Change History (41) @dd32 4 years ago Attachment 22952.diff added #1 @SergeyBiryukov 4 years ago Description modified (diff) #2 @dd32 4 years ago I have also considered that we're using gzinflate() completely wrong, fo Errors Exceptions Generators References Explained Predefined Variables Predefined Exceptions Predefined Interfaces and Classes Context options and parameters http://php.net/manual/en/function.gzinflate.php Supported Protocols and Wrappers Security Introduction General considerations Installed as CGI binary Installed as an Apache module Session Security Filesystem Security Database Security https://premium.wpmudev.org/forums/topic/im-seeing-the-following-php-warning-in-the-debug-bar Error Reporting Using Register Globals User Submitted Data Magic Quotes Hiding PHP Keeping Current Features HTTP authentication with PHP Cookies Sessions Dealing with data error XForms Handling file uploads Using remote files Connection handling Persistent Database Connections Safe Mode Command line usage Garbage Collection DTrace Dynamic Tracing Function Reference Affecting PHP's Behaviour Audio Formats Manipulation Authentication Services Command Line Specific Extensions Compression and Archive Extensions Credit Card Processing Cryptography Extensions Database Extensions gzinflate(): data error Date and Time Related Extensions File System Related Extensions Human Language and Character Encoding Support Image Processing and Generation Mail Related Extensions Mathematical Extensions Non-Text MIME Output Process Control Extensions Other Basic Extensions Other Services Search Engine Extensions Server Specific Extensions Session Extensions Text Processing Variable and Type Related Extensions Web Services Windows Only Extensions XML Manipulation Keyboard Shortcuts? This help j Next menu item k Previous menu item g p Previous man page g n Next man page G Scroll to bottom g g Scroll to top g h Goto homepage g s Goto search(current page) / Focus search box gzopen » « gzgetss PHP Manual Function Reference Compression and Archive Extensions Zlib Zlib Functions Change language: English Brazilian Portuguese Chinese (Simplified) French German Japanese Korean Romanian Russian Spanish Turkish Other Edit Report a Bug gzinf Contact Work with us The Hub Log In Become a member New to the community? Start here Home Support Support Forums Plugins & themes WP Smush Pro Dave Regular Joe 50 pts 6 pts LEVEL 0 I'm seeing the following PHP warning in the Debug bar: I'm seeing the following PHP warning in the Debug bar: WARNING: wp-includes/class-http.php:2116 - gzinflate(): data error require_once('wp-admin/admin.php'), require_once('wp-admin/admin-header.php'), do_action('admin_print_scripts-media_page_wp-smush-bulk'), call_user_func_array, WpSmushitAdmin->enqueue, WpSmushitAdmin->localize, WpSmush->is_pro, wp_remote_get, WP_Http->get, WP_Http->request, WP_Http->_dispatch_request, WP_Http_Curl->request, WP_Http_Encoding::decompress, gzinflate Here's a screenshot: https://docs.google.com/file/d/0BzUoVReonWCNUlJFdFNmNjJVcWs/edit This warning doesn't appear to be causing any real problem as the smushing appears to be working. But, since it's a PHP warning I figured I would post about it anyway. More WP Smush Pro discussions WP Smush Pro All General WordPress Plugins & Themes Multisite Features & Feedback Comment 1 Jude Air Support 1,036 pts 10,240 pts LEVEL 28 Hi there @Dave Hope you had a great weekend. Nothing to worry, its just the order in which the gzinflate function is called that seems to have triggered this. As you said the Smushing itself will work just fine. Jude FREE WordPress Tutorials, Tips and Tricks Subscribe JOIN 436872 HAPPY MEMBERS We pride ourselves on our level of customer support and responsiveness to member requests. Your WordPress experience will never be the same Start free trial ABOUT SSL CERTIFICATES Plugins Hummingbird Defender Hustle Snapshot More... Themes Upfront Builder Spirit Luke & Sara Parrot More... Resources 24/7 Support Academy Jobs & Pros Blog Changing or Updating Your Version of PHP for WordPress Understanding and Using the WordPress Hook System Making Your WordPress Website Fly: A Performance Optimization Tutorial More... 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