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<?php $asdf = new DateTime("first day of year 2016"); var_dump($asdf); ?>
Output for 8.3.0 - 8.3.4, 8.3.6
Fatal error: Uncaught DateMalformedStringException: Failed to parse time string (first day of year 2016) at position 13 (y): The timezone could not be found in the database in /in/HPcVi:2 Stack trace: #0 /in/HPcVi(2): DateTime->__construct('first day of ye...') #1 {main} thrown in /in/HPcVi on line 2
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 DateMalformedStringException: Failed to parse time string (first day of year 2016) at position 13 (y): The timezone could not be found in the database in /in/HPcVi:2 Stack trace: #0 /in/HPcVi(2): DateTime->__construct('first day of ye...') #1 {main} thrown in /in/HPcVi on line 2
Process exited with code 255.
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18
Fatal error: Uncaught Exception: Failed to parse time string (first day of year 2016) at position 13 (y): The timezone could not be found in the database in /in/HPcVi:2 Stack trace: #0 /in/HPcVi(2): DateTime->__construct('first day of ye...') #1 {main} thrown in /in/HPcVi on line 2
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
Fatal error: Uncaught Exception: DateTime::__construct(): Failed to parse time string (first day of year 2016) at position 13 (y): The timezone could not be found in the database in /in/HPcVi:2 Stack trace: #0 /in/HPcVi(2): DateTime->__construct('first day of ye...') #1 {main} thrown in /in/HPcVi on line 2
Process exited with code 255.
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Fatal error: Uncaught exception 'Exception' with message 'DateTime::__construct(): Failed to parse time string (first day of year 2016) at position 13 (y): The timezone could not be found in the database' in /in/HPcVi:2 Stack trace: #0 /in/HPcVi(2): DateTime->__construct('first day of ye...') #1 {main} thrown in /in/HPcVi on line 2
Process exited with code 255.

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