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run code in 150+ php & hhvm versions
Bugs & Features
<?php function add_date($givendate,$day=0,$mth=0,$yr=0) { $cd = strtotime($givendate); $newdate = date('Y-m-d h:i:s', mktime(date('h',$cd), date('i',$cd), date('s',$cd), date('m',$cd)+$mth, date('d',$cd)+$day, date('Y',$cd)+$yr)); return $newdate; } $current_month_first='01'.'-'.date("m").'-'.date("Y"); $current_month_first_stamp=strtotime($current_month_first); $kezdonapszam="5"; $kezdonapszam_int= (int) $kezdonapszam; $kezdonapszam_int=$kezdonapszam_int-1; print $kezdo_full=add_date($current_month_first, $kezdonapszam_int); if (strtotime($kezdo_full)<$current_month_first_stamp) {$kezdo_full=add_date($kezdo_full,0,1);} print date("Y-m-d",$kezdo_full);
Output for 5.1.3 - 5.6.28, 7.0.0 - 7.1.0
2014-04-05 12:00:00 Notice: A non well formed numeric value encountered in /in/KjDgE on line 26 1970-01-01
Output for hhvm-3.10.0 - 3.12.0
2014-04-05 12:00:001970-01-01
Output for 5.1.0 - 5.1.2
1970-01-05 01:00:00 Notice: A non well formed numeric value encountered in /in/KjDgE on line 26 1970-01-01
Output for 4.3.0 - 5.0.5
2006-10-09 12:00:001970-01-01