3v4l.org

run code in 300+ PHP versions simultaneously
<?php $dateLastMonth = date("first day of last month"); $dateCurrentMonth = date("last day of last month"); var_dump($dateLastMonth, $dateCurrentMonth);
Output for 7.3.24 - 7.3.31, 7.4.12 - 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
string(77) "f48Tue, 11 Jul 2017 11:48:24 +02002431 11am17 2017f Tuesdayam2431 07201773111" string(52) "Tuesdayam2431 11am17 2017f Tuesdayam2431 07201773111"
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 string(77) "f48Tue, 11 Jul 2017 11:48:24 +02002431 11am17 2017f Tuesdayam2431 07201773111" string(52) "Tuesdayam2431 11am17 2017f Tuesdayam2431 07201773111"
Output for 7.3.32 - 7.3.33, 8.0.13
string(77) "f48Tue, 11 Jul 2017 09:48:24 +00002431 11am17 2017f Tuesdayam2431 07201773109" string(52) "Tuesdayam2431 11am17 2017f Tuesdayam2431 07201773109"
preferences:
116.78 ms | 402 KiB | 118 Q