Bug #79109 [NEW]: foreach on empty array

From: a dot dankovtsev at mail dot ru Operating system: debian stretch PHP version: 7.4.1 Package: opcache Bug Type: Bug Bug description:foreach on empty array Description: ------------ In test env in our product sometimes caused Undefined variable $value with empty array But local don't reproduce Test script: --------------- <?php class Test { private const PRIVATE_ARRAY = []; public function run(): int { foreach (self::PRIVATE_ARRAY as $key => $value) { return $value; } return 1; } } (new Test())->run(); -- Edit bug report at https://bugs.php.net/bug.php?id=79109&edit=1 -- Fix committed: https://bugs.php.net/fix.php?id=79109&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=79109&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=79109&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=79109&r=needscript Try newer version: https://bugs.php.net/fix.php?id=79109&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=79109&r=support Expected behavior: https://bugs.php.net/fix.php?id=79109&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=79109&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=79109&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=79109&r=globals PHP version support discontinued: https://bugs.php.net/fix.php?id=79109&r=phptooold Daylight Savings: https://bugs.php.net/fix.php?id=79109&r=dst IIS Stability: https://bugs.php.net/fix.php?id=79109&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=79109&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=79109&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=79109&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=79109&r=mysqlcfg