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run code in 150+ php & hhvm versions
Bugs & Features
<?php class Foo { private $foo; private function __construct($spam){ $this->foo = $spam; } public function getFoo() { return $this->foo; } } function instantiatePrivateCtor($class /*, $...args */) { $args = array_slice(func_get_args(), 1); $extClass = $class . '__Ext'; if (!class_exists($extClass)) { $ns = ltrim(dirname($extClass), '\\'); $name = basename($extClass); $namespace = $ns && $ns !== '.' ? 'namespace ' . $ns . ';' : ''; echo(" $namespace class $name extends $class { public function __construct() { \$args = func_get_args(); call_user_func_array('$class::__construct', \$args); } } "); } $reflClass = new \ReflectionClass($extClass); return $reflClass->newInstanceArgs($args); } $args = 'bacon'; $class = 'Foo'; $reflClass = new \ReflectionClass($class); $instance = instantiatePrivateCtor($class, 'bacon'); echo $instance->getFoo();
Output for 7.0.0 - 7.1.0
class Foo__Ext extends Foo { public function __construct() { $args = func_get_args(); call_user_func_array('Foo::__construct', $args); } } Fatal error: Uncaught ReflectionException: Class Foo__Ext does not exist in /in/Usuc7:35 Stack trace: #0 /in/Usuc7(35): ReflectionClass->__construct('Foo__Ext') #1 /in/Usuc7(43): instantiatePrivateCtor('Foo', 'bacon') #2 {main} thrown in /in/Usuc7 on line 35
Process exited with code 255.
Output for hhvm-3.12.0
class Foo__Ext extends Foo { public function __construct() { $args = func_get_args(); call_user_func_array('Foo::__construct', $args); } } Fatal error: Uncaught exception 'ReflectionException' with message 'Class Foo__Ext does not exist' in /in/Usuc7:35 Stack trace: #0 /in/Usuc7(35): ReflectionClass->__construct() #1 /in/Usuc7(43): instantiatePrivateCtor() #2 {main}
Process exited with code 255.
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.3.0 - 5.6.28
class Foo__Ext extends Foo { public function __construct() { $args = func_get_args(); call_user_func_array('Foo::__construct', $args); } } Fatal error: Uncaught exception 'ReflectionException' with message 'Class Foo__Ext does not exist' in /in/Usuc7:35 Stack trace: #0 /in/Usuc7(35): ReflectionClass->__construct('Foo__Ext') #1 /in/Usuc7(43): instantiatePrivateCtor('Foo', 'bacon') #2 {main} thrown in /in/Usuc7 on line 35
Process exited with code 255.
Output for 5.0.3 - 5.2.17
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/Usuc7 on line 35 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/Usuc7 on line 41 class Foo__Ext extends Foo { public function __construct() { $args = func_get_args(); call_user_func_array('Foo::__construct', $args); } } Fatal error: Uncaught exception 'ReflectionException' with message 'Class Foo__Ext does not exist' in /in/Usuc7:35 Stack trace: #0 /in/Usuc7(35): ReflectionClass->__construct('Foo__Ext') #1 /in/Usuc7(43): instantiatePrivateCtor('Foo', 'bacon') #2 {main} thrown in /in/Usuc7 on line 35
Process exited with code 255.
Output for 5.0.0 - 5.0.2
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/Usuc7 on line 35 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/Usuc7 on line 41 class Foo__Ext extends Foo { public function __construct() { $args = func_get_args(); call_user_func_array('Foo::__construct', $args); } } Fatal error: Uncaught exception 'ReflectionException' with message 'Class Foo__Ext does not exist' in /in/Usuc7:35 Stack trace: #0 /in/Usuc7(43): instantiatePrivateCtor('Foo__Ext') #1 {main} thrown in /in/Usuc7 on line 35
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/Usuc7 on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/Usuc7 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/Usuc7 on line 3
Process exited with code 255.