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<?php $errored = FALSE; set_error_handler(function ($errno, $errstr) use (&$errored) { $errored = TRUE; return TRUE; }); $excludedClasses = [ // These cause fatal errors on instantiation "Closure", "SQLite3", "Filter", "PDO" ]; var_dump( array_filter( get_declared_classes(), function ($className) use (&$errored, $excludedClasses) { $errored = FALSE; $class = new ReflectionClass($className); if ($class->hasMethod('__construct')) { $constructor = $class->getMethod('__construct'); $constructor->setAccessible(true); } if (!$class->isInstantiable()) { return FALSE; } foreach ($excludedClasses as $bannedClass) { if (substr($className, 0, strlen($bannedClass)) === $bannedClass) { return FALSE; } } if (!(new ReflectionClass($className))->hasMethod('__toString')) { try { $x = new $className; $x = (string)$x; return !$errored; } catch (Exception $e) { return FALSE; } } return FALSE; } ) );
Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught Error: The "Generator" class is reserved for internal use and cannot be manually instantiated in /in/FRnsE:35 Stack trace: #0 [internal function]: {closure}('Generator') #1 /in/FRnsE(15): array_filter(Array, Object(Closure)) #2 {main} thrown in /in/FRnsE on line 35
Process exited with code 255.
Output for 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28
Fatal error: Uncaught Error: Object of class stdClass could not be converted to string in /in/FRnsE:36 Stack trace: #0 [internal function]: {closure}('stdClass') #1 /in/FRnsE(43): array_filter(Array, Object(Closure)) #2 {main} thrown in /in/FRnsE on line 36
Process exited with code 255.
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33
Fatal error: Uncaught Error: The "Generator" class is reserved for internal use and cannot be manually instantiated in /in/FRnsE:35 Stack trace: #0 [internal function]: {closure}('Generator') #1 /in/FRnsE(43): array_filter(Array, Object(Closure)) #2 {main} thrown in /in/FRnsE on line 35
Process exited with code 255.
Output for 5.6.0 - 5.6.40
array(1) { [123]=> string(3) "GMP" }
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38
array(0) { }
Output for 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/FRnsE on line 7
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION, expecting ')' in /in/FRnsE on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION, expecting ')' in /in/FRnsE on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/FRnsE on line 5
Process exited with code 255.
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