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run code in 300+ PHP versions simultaneously
<?php $d1=date_create('2009-12-25'); $i=DateInterval::createFromDateString('-1 year'); $p=new DatePeriod($d1,$i,5); foreach($p as $d) { echo $d->format('Y-m-d') . "\n"; }
Output for 5.6.0 - 5.6.30, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.5 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
2009-12-25 2008-12-25 2007-12-25 2006-12-25 2005-12-25 2004-12-25
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 2009-12-25 2008-12-25 2007-12-25 2006-12-25 2005-12-25 2004-12-25

preferences:
190.8 ms | 402 KiB | 233 Q