Bug #73590 [NEW]: stream_filter_append error with fopen on an url

From: marcimat at rezo dot net Operating system: macOS Sierra 10.12.1 PHP version: 7.0.13 Package: Streams related Bug Type: Bug Bug description:stream_filter_append error with fopen on an url Description: ------------ When using a user created php_user_filter, attached to a url stream (with fopen), the error "Warning: stream_filter_append(): Filter failed to process pre-buffered data in ..." occured. - There is/was no error in PHP 5.6.27. - There is no error if fopen open a local file. - There is no error with the integrated 'string.toupper' filter. Test script: --------------- Short : // Example class strtoupper in http://php.net/manual/en/function.stream-filter-register.php#example-4575 stream_filter_register('strtoupper', 'strtoupper_filter'); $fp = fopen('http://localhost/test.txt', 'r'); stream_filter_append($fp, 'strtoupper', STREAM_FILTER_READ); # DOES NOT WORK Complete example : https://gist.github.com/anonymous/7b22c14390d3e831a8d472aad00baeee Expected result: ---------------- No error (and the text print in uppercase) Actual result: -------------- No error in PHP 5.6 Error in PHP 7.0.12 (Warning: stream_filter_append(): Filter failed to process pre-buffered data in xxx) -- Edit bug report at https://bugs.php.net/bug.php?id=73590&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=73590&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=73590&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=73590&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=73590&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=73590&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=73590&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=73590&r=needscript Try newer version: https://bugs.php.net/fix.php?id=73590&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=73590&r=support Expected behavior: https://bugs.php.net/fix.php?id=73590&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=73590&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=73590&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=73590&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=73590&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=73590&r=dst IIS Stability: https://bugs.php.net/fix.php?id=73590&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=73590&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=73590&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=73590&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=73590&r=mysqlcfg