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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'; } $day = new DateTime(); var_dump(isFirstSundayOfMonth($day));
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
bool(true)
preferences:
215.48 ms | 404 KiB | 330 Q