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<?php class Test { public function foo() { return ++$this; } } $t = new Test(); var_dump($t->foo());
Output for 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
Fatal error: Uncaught TypeError: Cannot increment Test in /in/0cjp6:5 Stack trace: #0 /in/0cjp6(10): Test->foo() #1 {main} thrown in /in/0cjp6 on line 5
Process exited with code 255.
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 Fatal error: Uncaught TypeError: Cannot increment Test in /in/0cjp6:5 Stack trace: #0 /in/0cjp6(10): Test->foo() #1 {main} thrown in /in/0cjp6 on line 5
Process exited with code 255.
Output for 7.0.0 - 7.0.24, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
object(Test)#1 (0) { }

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