Bug #73604 [NEW]: Excplicit type cast for class constants produces error

From: anatoly dot pashin at gmail dot com Operating system: PHP version: 7.0.13 Package: PHP Language Specification Bug Type: Bug Bug description:Excplicit type cast for class constants produces error Description: ------------ Interpreter produces `PHP Fatal error: Constant expression contains invalid operations in…` because of explicit const value type cast. But implicit is allowed and works as expected. Yes, I undestand difference between + and (int) that int will cast to integer and drop past-float part. But question why that's now allowed is still present. Casting plain value rather than array value doesn't work too. Even if you cast integer to integer. Test script: --------------- class Barcode { const BARCODE_TYPES = [ (int)\Stickers::BARCODE_TYPE_MEGAORDER, +\Stickers::BARCODE_TYPE_SHOP_ORDER, ]; } Expected result: ---------------- All is OK and array value became int casted. Actual result: -------------- PHP Fatal error: Constant expression contains invalid operations in… -- Edit bug report at https://bugs.php.net/bug.php?id=73604&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=73604&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=73604&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=73604&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=73604&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=73604&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=73604&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=73604&r=needscript Try newer version: https://bugs.php.net/fix.php?id=73604&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=73604&r=support Expected behavior: https://bugs.php.net/fix.php?id=73604&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=73604&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=73604&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=73604&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=73604&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=73604&r=dst IIS Stability: https://bugs.php.net/fix.php?id=73604&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=73604&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=73604&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=73604&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=73604&r=mysqlcfg