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<?php $dateTime = new DateTime('2014-12-24'); // vánoce $dateTime->modify('first day of this month'); // chci první den v měsíci echo $dateTime->format('Y-m-d'); $dateTime->add(new DateInterval('P5D')); // Přidáme 5 dní echo $dateTime->format('Y-m-d'); // správný výsledek je 2014-12-06
based on V7Kom
Output for 5.3.7 - 7.2.0
2014-12-012014-12-06
Output for 5.3.0 - 5.3.6
2014-12-012014-12-01
Output for 5.2.13 - 5.2.17
Warning: DateTime::modify(): Failed to parse time string (first day of this month) at position 10 (o): The timezone could not be found in the database in /in/C0H0p on line 4 2014-12-24 Fatal error: Call to undefined method DateTime::add() in /in/C0H0p on line 6
Process exited with code 255.
Output for 5.2.0 - 5.2.12
2014-12-25 Fatal error: Call to undefined method DateTime::add() in /in/C0H0p on line 6
Process exited with code 255.
Output for 5.0.0 - 5.0.5, 5.1.1 - 5.1.6
Fatal error: Class 'DateTime' not found in /in/C0H0p on line 3
Process exited with code 255.
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/C0H0p on line 7
Process exited with code 255.
Output for 4.3.2 - 4.4.9
Fatal error: Cannot instantiate non-existent class: datetime in /in/C0H0p on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Cannot instantiate non-existent class: datetime in /in/C0H0p on line 3