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run code in 150+ php & hhvm versions
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<?php $today_day = 28; $day = date("d-m-Y", mktime(0,0,0,2, $today_day,date("Y"))); $firstday = $day; $data_exploded=explode("-", $firstday); $mes = $data_exploded[1]; $ano = $data_exploded[2]; echo "firstday=$firstday\n"; echo "m=".$mes . " | Y=" . $ano."\n"; echo $day ."\n"; $today_day++; $day = date("d-m-Y", mktime(0,0,0,$mes,$today_day,$ano)); echo "m=".$mes . " | Y=" . $ano."\n"; echo $day ."\n"; $today_day++; $day = date("d-m-Y", mktime(0,0,0,$mes,$today_day,$ano)); echo $day ."\n"; ?>
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.13.2, 7.0.0 - 7.1.0
firstday=28-02-2014 m=02 | Y=2014 28-02-2014 m=02 | Y=2014 01-03-2014 02-03-2014