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<?php class Type { } class Bar { private Type $type; public function __sleep() { return ['type']; } } class Foo { private $bar; public function __construct() { $this->bar = new Bar(); } } $foo = new Foo(); echo serialize($foo);
Output for 7.4.6 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
O:3:"Foo":1:{s:8:"Foobar";O:3:"Bar":0:{}}
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 O:3:"Foo":1:{s:8:"Foobar";O:3:"Bar":0:{}}
Output for 7.4.4 - 7.4.5
Fatal error: Uncaught Error: Typed property Bar::$type must not be accessed before initialization (in __sleep) in /in/EeBke:25 Stack trace: #0 /in/EeBke(25): serialize(Object(Foo)) #1 {main} thrown in /in/EeBke on line 25
Process exited with code 255.
Output for 7.1.25 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33
Parse error: syntax error, unexpected 'Type' (T_STRING), expecting function (T_FUNCTION) or const (T_CONST) in /in/EeBke on line 8
Process exited with code 255.

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