Bug #76959 [NEW]: string concat with or without parenthesis

From: anatole dot ng at free dot fr Operating system: Linux Mint 18.3 PHP version: 7.0.32 Package: *General Issues Bug Type: Bug Bug description:string concat with or without parenthesis Description: ------------ Hi guys, Concatenation with some numeric operation results in strange behavior when no parenthesis are used. $str = "Something: " . (5-2) . " foo\n"; $str2 = "Something : " . 5-2 . " foo\n"; Sorry if it's not a bug, and if I'm wrong... Test script: --------------- <?php $str = "Something: " . (5-2) . " foo\n"; $str2 = "Something : " . 5-2 . " foo\n"; echo $str; echo $str2; return Expected result: ---------------- Something: 3 foo Something: 3 foo Actual result: -------------- Something: 3 foo -2 foo -- Edit bug report at https://bugs.php.net/bug.php?id=76959&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=76959&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=76959&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=76959&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=76959&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=76959&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=76959&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=76959&r=needscript Try newer version: https://bugs.php.net/fix.php?id=76959&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=76959&r=support Expected behavior: https://bugs.php.net/fix.php?id=76959&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=76959&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=76959&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=76959&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=76959&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=76959&r=dst IIS Stability: https://bugs.php.net/fix.php?id=76959&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=76959&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=76959&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=76959&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=76959&r=mysqlcfg