Bug #79861 [NEW]: bug found in php 5.3, 5.4. 7.0, 7.1, 7.2

From: BardoQi at gmail dot com Operating system: windwos 10, contos7 PHP version: 7.2.32 Package: Unknown/Other Function Bug Type: Bug Bug description:bug found in php 5.3, 5.4. 7.0, 7.1, 7.2 Description: ------------ The return value of expression /(4.1-0.1 == 4.0)/ should be true, but infact false!! Test script: --------------- echo(4.1-0.1 == 4.0); echo(4.1-0.1 == 4); echo((4.1-0.1) == 4.0); echo((4.1-0.1) == 4); Expected result: ---------------- 1111 -- Edit bug report at https://bugs.php.net/bug.php?id=79861&edit=1 -- Fix committed: https://bugs.php.net/fix.php?id=79861&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=79861&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=79861&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=79861&r=needscript Try newer version: https://bugs.php.net/fix.php?id=79861&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=79861&r=support Expected behavior: https://bugs.php.net/fix.php?id=79861&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=79861&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=79861&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=79861&r=globals PHP version support discontinued: https://bugs.php.net/fix.php?id=79861&r=phptooold Daylight Savings: https://bugs.php.net/fix.php?id=79861&r=dst IIS Stability: https://bugs.php.net/fix.php?id=79861&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=79861&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=79861&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=79861&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=79861&r=mysqlcfg