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<?php $date = new \DateTime(); var_dump($date->modify('first day of month'), $date->modify('last day of month'));
Output for 8.3.0 - 8.3.4, 8.3.6
Fatal error: Uncaught DateMalformedStringException: DateTime::modify(): Failed to parse time string (first day of month) at position 13 (m): The timezone could not be found in the database in /in/I7MK6:4 Stack trace: #0 /in/I7MK6(4): DateTime->modify('first day of mo...') #1 {main} thrown in /in/I7MK6 on line 4
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: DateTime::modify(): Failed to parse time string (first day of month) at position 13 (m): The timezone could not be found in the database in /in/I7MK6:4 Stack trace: #0 /in/I7MK6(4): DateTime->modify('first day of mo...') #1 {main} thrown in /in/I7MK6 on line 4
Process exited with code 255.
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18
Warning: DateTime::modify(): Failed to parse time string (first day of month) at position 13 (m): The timezone could not be found in the database in /in/I7MK6 on line 4 Warning: DateTime::modify(): Failed to parse time string (last day of month) at position 12 (m): The timezone could not be found in the database in /in/I7MK6 on line 4 bool(false) bool(false)

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144.74 ms | 404 KiB | 197 Q