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<?php try { $a[(object)null] = 1; } catch (Throwable $e) { print_r($e->getTrace()); } try { file(null); } catch (Throwable $e) { print_r($e->getTrace()); } try { file(); } catch (Throwable $e) { print_r($e->getTrace()); }
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Array ( ) Deprecated: file(): Passing null to parameter #1 ($filename) of type string is deprecated in /in/0Pgfo on line 4 Array ( [0] => Array ( [file] => /in/0Pgfo [line] => 4 [function] => file [args] => Array ( [0] => ) ) ) Array ( [0] => Array ( [file] => /in/0Pgfo [line] => 5 [function] => file [args] => Array ( ) ) )
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Array ( ) Deprecated: file(): Passing null to parameter #1 ($filename) of type string is deprecated in /in/0Pgfo on line 4 Array ( [0] => Array ( [file] => /in/0Pgfo [line] => 4 [function] => file [args] => Array ( [0] => ) ) ) Array ( [0] => Array ( [file] => /in/0Pgfo [line] => 5 [function] => file [args] => Array ( ) ) )
Output for 8.0.0 - 8.0.30
Array ( ) Array ( [0] => Array ( [file] => /in/0Pgfo [line] => 4 [function] => file [args] => Array ( [0] => ) ) ) Array ( [0] => Array ( [file] => /in/0Pgfo [line] => 5 [function] => file [args] => Array ( ) ) )
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: Illegal offset type in /in/0Pgfo on line 3 Warning: file(): Filename cannot be empty in /in/0Pgfo on line 4 Warning: file() expects at least 1 parameter, 0 given in /in/0Pgfo on line 5

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