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<?php echo (new DateTime('- half hour', new DateTimeZone('America/Sao_Paulo')))->format('Ymd H:i:s');
Output for 8.3.0 - 8.3.6
Fatal error: Uncaught DateMalformedStringException: Failed to parse time string (- half hour) at position 0 (-): Unexpected character in /in/iPVNj:3 Stack trace: #0 /in/iPVNj(3): DateTime->__construct('- half hour', Object(DateTimeZone)) #1 {main} thrown in /in/iPVNj on line 3
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 (- half hour) at position 0 (-): Unexpected character in /in/iPVNj:3 Stack trace: #0 /in/iPVNj(3): DateTime->__construct('- half hour', Object(DateTimeZone)) #1 {main} thrown in /in/iPVNj on line 3
Process exited with code 255.
Output for 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
Fatal error: Uncaught Exception: DateTime::__construct(): Failed to parse time string (- half hour) at position 0 (-): Unexpected character in /in/iPVNj:3 Stack trace: #0 /in/iPVNj(3): DateTime->__construct('- half hour', Object(DateTimeZone)) #1 {main} thrown in /in/iPVNj on line 3
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.27
Fatal error: Uncaught exception 'Exception' with message 'DateTime::__construct(): Failed to parse time string (- half hour) at position 0 (-): Unexpected character' in /in/iPVNj:3 Stack trace: #0 /in/iPVNj(3): DateTime->__construct('- half hour', Object(DateTimeZone)) #1 {main} thrown in /in/iPVNj on line 3
Process exited with code 255.

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