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<?php /** * Check if a given date is the first Monday of the month * * @param \DateTime $date * @return bool */ function isFirstSundayOfMonth(DateTime $date) { return (int)$date->format('d') <= 7 && $date->format('l') === 'Sunday'; } $day = new DateTime(); var_dump(isFirstMondayayOfMonth($day));
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught Error: Call to undefined function isFirstMondayayOfMonth() in /in/GD436:13 Stack trace: #0 {main} thrown in /in/GD436 on line 13
Process exited with code 255.

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