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<?php $datetime = new \DateTime('2022-07-31 00:00:00'); var_export($datetime->format('Y-m-d H:i:s')); $datetime->modify('last day of previous month'); var_export($datetime->format('Y-m-d H:i:s'));
Output for git.master, git.master_jit, rfc.property-hooks
'2022-07-31 00:00:00''2022-06-30 00:00:00'

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