#35914 [NEW]: Does fflush() readly works?

From: sqchen at citiz dot net Operating system: redhat 7.3 PHP version: 5.1.1 PHP Bug Type: Filesystem function related Bug description: Does fflush() readly works? Description: ------------ Do you this think fflush() realy works? plese see following code if you answer it's not a bug, please give me a example how to use fflush() correctly. Reproduce code: --------------- ----before fflush---- <?php $fp = fopen("1.txt", "w"); while(1) { fwrite($fp, "a"); sleep(1); } ?> ----after fflush---- <?php $fp1 = fopen("1.txt", "w"); $fp2 = fopen("2.txt", "w"); while(1) { fwrite($fp1, "a"); fflush($fp2); sleep(1); } ?> Expected result: ---------------- ---before fflush--- no contents in file "1.txt" until it's buffer is full ---after fflush--- "a a a a....." in file "2.txt" immediately Actual result: -------------- ---before fflush--- "a a a a....." in file "1.txt" immediately ---after fflush--- empty in file "2.txt" -- Edit bug report at http://bugs.php.net/?id=35914&edit=1 -- Try a CVS snapshot (PHP 4.4): http://bugs.php.net/fix.php?id=35914&r=trysnapshot44 Try a CVS snapshot (PHP 5.1): http://bugs.php.net/fix.php?id=35914&r=trysnapshot51 Try a CVS snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=35914&r=trysnapshot60 Fixed in CVS: http://bugs.php.net/fix.php?id=35914&r=fixedcvs Fixed in release: http://bugs.php.net/fix.php?id=35914&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=35914&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=35914&r=needscript Try newer version: http://bugs.php.net/fix.php?id=35914&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=35914&r=support Expected behavior: http://bugs.php.net/fix.php?id=35914&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=35914&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=35914&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=35914&r=globals PHP 3 support discontinued: http://bugs.php.net/fix.php?id=35914&r=php3 Daylight Savings: http://bugs.php.net/fix.php?id=35914&r=dst IIS Stability: http://bugs.php.net/fix.php?id=35914&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=35914&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=35914&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=35914&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=35914&r=mysqlcfg