Bug #75984 [NEW]: Function empty() throws E_NOTICE on undefined index of class const array

From: evgvzubkoff at gmail dot com Operating system: Ubuntu 16.04 LTS PHP version: 5.6.33 Package: Arrays related Bug Type: Bug Bug description:Function empty() throws E_NOTICE on undefined index of class const array Description: ------------ Test code - https://3v4l.org/7bfQS Test script: --------------- <?php class Foo { /** * Values * @var array */ const VALUES = [ 'key1' => 'value1', 'key2' => 'value2', 'key3' => 'value3' ]; /** * Test function */ public function execute() { $key = 'key4'; if (!empty(self::VALUES[$key])) { self::VALUES[$key]; } else { echo 'The key doesn\'t found in this array.'; } } } $foo = new Foo(); $foo->execute(); Expected result: ---------------- There should not be E_NOTICE Actual result: -------------- I get E_NOTICE -- Edit bug report at https://bugs.php.net/bug.php?id=75984&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=75984&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=75984&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=75984&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=75984&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=75984&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=75984&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=75984&r=needscript Try newer version: https://bugs.php.net/fix.php?id=75984&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=75984&r=support Expected behavior: https://bugs.php.net/fix.php?id=75984&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=75984&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=75984&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=75984&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=75984&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=75984&r=dst IIS Stability: https://bugs.php.net/fix.php?id=75984&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=75984&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=75984&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=75984&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=75984&r=mysqlcfg