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<?php class A { private $a = 0; } $a = new A(); $b = (object)[chr(0) . 'A' . chr(0) . 'a' => 1]; echo $b->{chr(0) . 'A' . chr(0) . 'a'}; echo $a->{chr(0) . '*' . chr(0) . 'a'};
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 Error: Cannot access property starting with "\0" in /in/k8n0X:10 Stack trace: #0 {main} thrown in /in/k8n0X on line 10
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 Error: Cannot access property starting with "\0" in /in/k8n0X:10 Stack trace: #0 {main} thrown in /in/k8n0X on line 10
Process exited with code 255.
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Fatal error: Uncaught Error: Cannot access property started with '\0' in /in/k8n0X:10 Stack trace: #0 {main} thrown in /in/k8n0X on line 10
Process exited with code 255.
Output for 5.6.0 - 5.6.40
Fatal error: Cannot access property started with '\0' in /in/k8n0X on line 10
Process exited with code 255.

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