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<?php spl_autoload_register('loader'); function loader($className) { echo "loading $className\n"; if ($className == 'B') eval("class B { function __wakeup(){echo 'B::__wakeup';}}"); else if ($className == 'D') eval("class D { function __wakeup(){echo 'D::__wakeup';}}"); else if ($className == 'E') eval("class E extends D { function __wakeup(){echo 'E::__wakeup';}}"); echo "loaded $className: " . class_exists($className, false) . "\n"; return true; } class Wakeup { public $b; public $e; function __construct() { $this->b = new B; $this->e = new E; } } unserialize('O:6:"Wakeup":2:{s:1:"b";O:1:"B":0:{}s:1:"e";O:1:"E":0:{}}');
Output for 7.0.20, 7.1.5 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
loading B loaded B: 1 loading E loading D loaded D: 1 loaded E: 1 B::__wakeupE::__wakeup
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.14, 7.1.0
loading B loaded B: 1 B::__wakeuploading E loading D loaded D: 1 loaded E: 1 E::__wakeup
Output for 5.0.0 - 5.0.5
Fatal error: Call to undefined function spl_autoload_register() in /in/4jbUJ on line 3
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/4jbUJ on line 22
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
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/4jbUJ on line 22
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/4jbUJ on line 22
Process exited with code 255.

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