<?php
$start = new DateTime('first day of this month');
$end = new DateTime('first day of next month');
$interval = DateInterval::createFromDateString('1 day');
$period = new DatePeriod($start, $interval, $end);
foreach ($period as $dt)
{
echo $dt->format("Y-m-d") . PHP_EOL;
}
Fatal error: Uncaught exception 'Exception' with message 'DateTime::__construct(): 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/7eCcP:2
Stack trace:
#0 /in/7eCcP(2): DateTime->__construct('first day of th...')
#1 {main}
thrown in /in/7eCcP on line 2
Process exited with code 255.
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
Fatal error: Class 'DateTime' not found in /in/7eCcP on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9
Fatal error: Cannot instantiate non-existent class: datetime in /in/7eCcP on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Cannot instantiate non-existent class: datetime in /in/7eCcP on line 2