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f<?php $dt = new DateTime('first Monday of nextmonth'); echo $dt->format('W');
Output for 8.3.0 - 8.3.6
f Fatal error: Uncaught DateMalformedStringException: Failed to parse time string (first Monday of nextmonth) at position 16 (n): The timezone could not be found in the database in /in/cluIm:3 Stack trace: #0 /in/cluIm(3): DateTime->__construct('first Monday of...') #1 {main} thrown in /in/cluIm on line 3
Process exited with code 255.
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18
f Fatal error: Uncaught Exception: Failed to parse time string (first Monday of nextmonth) at position 16 (n): The timezone could not be found in the database in /in/cluIm:3 Stack trace: #0 /in/cluIm(3): DateTime->__construct('first Monday of...') #1 {main} thrown in /in/cluIm on line 3
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
f Fatal error: Uncaught Exception: DateTime::__construct(): Failed to parse time string (first Monday of nextmonth) at position 16 (n): The timezone could not be found in the database in /in/cluIm:3 Stack trace: #0 /in/cluIm(3): DateTime->__construct('first Monday of...') #1 {main} thrown in /in/cluIm on line 3
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, 5.6.7 - 5.6.28
f Fatal error: Uncaught exception 'Exception' with message 'DateTime::__construct(): Failed to parse time string (first Monday of nextmonth) at position 16 (n): The timezone could not be found in the database' in /in/cluIm:3 Stack trace: #0 /in/cluIm(3): DateTime->__construct('first Monday of...') #1 {main} thrown in /in/cluIm on line 3
Process exited with code 255.
Output for 5.2.0 - 5.2.17
f Fatal error: Uncaught exception 'Exception' with message 'DateTime::__construct(): Failed to parse time string (first Monday of nextmonth) at position 13 (o): The timezone could not be found in the database' in /in/cluIm:3 Stack trace: #0 /in/cluIm(3): DateTime->__construct('first Monday of...') #1 {main} thrown in /in/cluIm on line 3
Process exited with code 255.
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
f Fatal error: Class 'DateTime' not found in /in/cluIm on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9
f Fatal error: Cannot instantiate non-existent class: datetime in /in/cluIm on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
f Fatal error: Cannot instantiate non-existent class: datetime in /in/cluIm on line 3

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