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<?php class MergeVariableList extends ArrayObject {} $a = new MergeVariableList(); $a['test'] = 'toto'; echo $a['test']; var_dump(array_keys($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
toto Fatal error: Uncaught TypeError: array_keys(): Argument #1 ($array) must be of type array, MergeVariableList given in /in/GRFlU:9 Stack trace: #0 /in/GRFlU(9): array_keys(Object(MergeVariableList)) #1 {main} thrown in /in/GRFlU on line 9
Process exited with code 255.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 toto Fatal error: Uncaught TypeError: array_keys(): Argument #1 ($array) must be of type array, MergeVariableList given in /in/GRFlU:9 Stack trace: #0 /in/GRFlU(9): array_keys(Object(MergeVariableList)) #1 {main} thrown in /in/GRFlU on line 9
Process exited with code 255.
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33
toto Warning: array_keys() expects parameter 1 to be array, object given in /in/GRFlU on line 9 NULL
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
toto Warning: array_keys(): The first argument should be an array in /in/GRFlU on line 9 NULL
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9
Fatal error: Class mergevariablelist: Cannot inherit from undefined class arrayobject in /in/GRFlU on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Class mergevariablelist: Cannot inherit from undefined class arrayobject in /in/GRFlU on line 3

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