3v4l.org

run code in 300+ PHP versions simultaneously
<?php $beginday=date('Y-m-01'); $lastday=date('Y-m-t'); $nr_work_days = getWorkingDays($beginday,$lastday); echo $begin; function getWorkingDays($startDate, $endDate){ $begin=strtotime($startDate); $end=strtotime($endDate); if($begin>$end){ echo "startdate is in the future! <br>"; return 0; }else{ $working_days=0; while($begin<=$end){ $what_day=date("N",$begin); if($what_day<=5) { // 6 and 7 are weekend days $working_days++; }; $begin+=86400; // +1 day }; return $working_days; } }
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Warning: Undefined variable $begin in /in/nZTZD on line 7
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Warning: Undefined variable $begin in /in/nZTZD on line 7
Output for 5.0.4 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 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 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined variable: begin in /in/nZTZD on line 7
Output for 7.3.32 - 7.3.33
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.3
Notice: Undefined variable: begin in /in/nZTZD on line 7
preferences:
333.5 ms | 402 KiB | 455 Q