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<?php class Qwe { public function __construct(){ $this->{''} = 20; echo $this->{''}.PHP_EOL; } } ${''}=10; echo ${''}.PHP_EOL; // 10 echo ${null}.PHP_EOL; // 10 $b = new Qwe;
Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
10 10 Deprecated: Creation of dynamic property Qwe::$ is deprecated in /in/FNfe5 on line 6 20
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 10 10 Deprecated: Creation of dynamic property Qwe::$ is deprecated in /in/FNfe5 on line 6 20
Output for 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28
10 10 20
Output for 7.0.0 - 7.0.20
10 10 Fatal error: Uncaught Error: Cannot access empty property in /in/FNfe5:6 Stack trace: #0 /in/FNfe5(16): Qwe->__construct() #1 {main} thrown in /in/FNfe5 on line 6
Process exited with code 255.

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