3v4l.org

run code in 300+ PHP versions simultaneously
<?php function daycount($day, $startdate, $enddate, $counter) { if($startdate >= $enddate) { return $counter; } else { return daycount($day, strtotime("next ".$day, $startdate), ++$counter); } } echo daycount("monday", strtotime("18.01.2016"), 0);
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33, 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Fatal error: Uncaught ArgumentCountError: Too few arguments to function daycount(), 3 passed in /in/4RhM6 on line 15 and exactly 4 expected in /in/4RhM6:3 Stack trace: #0 /in/4RhM6(15): daycount('monday', 1453071600, 0) #1 {main} thrown in /in/4RhM6 on line 3
Process exited with code 255.
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 Fatal error: Uncaught ArgumentCountError: Too few arguments to function daycount(), 3 passed in /in/4RhM6 on line 15 and exactly 4 expected in /in/4RhM6:3 Stack trace: #0 /in/4RhM6(15): daycount('monday', 1453071600, 0) #1 {main} thrown in /in/4RhM6 on line 3
Process exited with code 255.
Output for 7.3.32 - 7.3.33, 8.0.13
Fatal error: Uncaught ArgumentCountError: Too few arguments to function daycount(), 3 passed in /in/4RhM6 on line 15 and exactly 4 expected in /in/4RhM6:3 Stack trace: #0 /in/4RhM6(15): daycount('monday', 1453075200, 0) #1 {main} thrown in /in/4RhM6 on line 3
Process exited with code 255.
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33
Warning: Missing argument 4 for daycount(), called in /in/4RhM6 on line 15 and defined in /in/4RhM6 on line 3 Notice: Undefined variable: counter in /in/4RhM6 on line 7

preferences:
277.45 ms | 402 KiB | 330 Q