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run code in 200+ php & hhvm versions
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<?php $dt = (new DateTime)->modify('last day of month'); var_dump($dt); $dt = (new DateTime)->modify('first day of month'); var_dump($dt);
Output for 5.4.0 - 7.2.0
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/giZGf on line 2 bool(false) 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/giZGf on line 4 bool(false)
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected T_OBJECT_OPERATOR in /in/giZGf on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_OBJECT_OPERATOR in /in/giZGf on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/giZGf on line 2
Process exited with code 255.