Bug #68617 [NEW]: numeric interpretation of false

From: r dot putz at gmx dot de Operating system: any PHP version: 5.5.19 Package: Strings related Bug Type: Bug Bug description:numeric interpretation of false Description: ------------ --- From manual page: http://www.php.net/function.substr-replace --- in substr_replace param start = false is interpreted as numeric position 0. (interpreting 0 as false maybe ok, but the other way round?..) Test script: --------------- /* example replacing delemiter in a string */ $string = "foo1, foo2, foo3"; $string = substr_replace($string, ' and', strrpos($string, ','), 1); echo $string; /* output as expected: "foo1, foo2 and foo3"; */ /* no delemiter in string so should do nothing */ $string = "foo1"; $string = substr_replace($string, ' and', strrpos($string, ','), 1); echo $string; /* wrong output: " andoo1"; */ -- Edit bug report at https://bugs.php.net/bug.php?id=68617&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=68617&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=68617&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=68617&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=68617&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=68617&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=68617&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=68617&r=needscript Try newer version: https://bugs.php.net/fix.php?id=68617&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=68617&r=support Expected behavior: https://bugs.php.net/fix.php?id=68617&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=68617&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=68617&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=68617&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=68617&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=68617&r=dst IIS Stability: https://bugs.php.net/fix.php?id=68617&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=68617&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=68617&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=68617&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=68617&r=mysqlcfg