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run code in 150+ php & hhvm versions
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<?php $db = new PDO('sqlite::memory:'); $st = $db->query(" SELECT 'ReflectionFunction', 'phpinfo' AS 'name' "); $st->setFetchMode(PDO::FETCH_CLASS | PDO :: FETCH_CLASSTYPE); //$re = $st->fetch(PDO::FETCH_CLASS | PDO::FETCH_CLASSTYPE); $re = $st->fetch(); var_dump($re); $re->invoke();
based on bk0oI
Output for 7.0.0 - 7.1.0
Warning: PDOStatement::fetch(): SQLSTATE[HY000]: General error: could not call class constructor in /in/PIvab on line 7 Fatal error: Uncaught ReflectionException: Cannot set read-only property ReflectionFunction::$name in /in/PIvab:7 Stack trace: #0 /in/PIvab(7): PDOStatement->fetch() #1 {main} thrown in /in/PIvab on line 7
Process exited with code 255.
Output for hhvm-3.12.0

Process exited with code 139.
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.3.3 - 5.6.28
Warning: PDOStatement::fetch(): SQLSTATE[HY000]: General error: could not call class constructor in /in/PIvab on line 7 Fatal error: Uncaught exception 'ReflectionException' with message 'Cannot set read-only property ReflectionFunction::$name' in /in/PIvab:7 Stack trace: #0 /in/PIvab(7): PDOStatement->fetch() #1 {main} thrown in /in/PIvab on line 7
Process exited with code 255.
Output for 5.3.0 - 5.3.2
Warning: PDOStatement::fetch(): SQLSTATE[HY000]: General error: could not call class constructor in /in/PIvab on line 0 Fatal error: Uncaught exception 'ReflectionException' with message 'Cannot set read-only property ReflectionFunction::$name' in /in/PIvab:7 Stack trace: #0 /in/PIvab(7): PDOStatement->fetch() #1 {main} thrown in /in/PIvab on line 7
Process exited with code 255.
Output for 5.2.7 - 5.2.11, 5.2.14 - 5.2.17
Warning: PDOStatement::fetch(): SQLSTATE[HY000]: General error: could not call class constructor in /in/PIvab on line 9 Fatal error: Uncaught exception 'ReflectionException' with message 'Cannot set read-only property ReflectionFunction::$name' in /in/PIvab:7 Stack trace: #0 /in/PIvab(7): PDOStatement->fetch() #1 {main} thrown in /in/PIvab on line 7
Process exited with code 255.
Output for 5.2.12 - 5.2.13
Warning: ReflectionFunction::__construct() expects exactly 1 parameter, 0 given in /in/PIvab on line 7 Fatal error: Uncaught exception 'ReflectionException' with message 'Cannot set read-only property ReflectionFunction::$name' in /in/PIvab:7 Stack trace: #0 /in/PIvab(7): PDOStatement->fetch() #1 {main} thrown in /in/PIvab on line 7
Process exited with code 255.
Output for 5.1.0 - 5.1.3, 5.2.0 - 5.2.6
array(4) { ["'ReflectionFunction'"]=> string(18) "ReflectionFunction" [0]=> string(18) "ReflectionFunction" ["name"]=> string(7) "phpinfo" [1]=> string(7) "phpinfo" } Fatal error: Call to a member function invoke() on a non-object in /in/PIvab on line 9
Process exited with code 255.
Output for 5.1.4 - 5.1.6
Fatal error: Uncaught exception 'PDOException' with message 'could not find driver' in /in/PIvab:3 Stack trace: #0 /in/PIvab(3): PDO->__construct('sqlite::memory:') #1 {main} thrown in /in/PIvab on line 3
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Fatal error: Class 'PDO' not found in /in/PIvab on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected '|', expecting '(' in /in/PIvab on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected '|', expecting '(' in /in/PIvab on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `'('' in /in/PIvab on line 5
Process exited with code 255.