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run code in 300+ PHP versions simultaneously
<?php $a = "2009-01-01"; $b = "2016-02-15"; $i = date("Y", strtotime($a)); $result = array($i); while($i <= date("Y", strtotime($b))){ echo $i."\n"; array_push($result, $i); if(substr($i, 4, 2) == "12"){ $i = (date("Y", strtotime($i."01")) + 1); } else{ $i++; } } print_r($result);
Output for 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 - 7.3.33, 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 2010 2011 2012 2013 2014 2015 2016 Array ( [0] => 2009 [1] => 2009 [2] => 2010 [3] => 2011 [4] => 2012 [5] => 2013 [6] => 2014 [7] => 2015 [8] => 2016 )
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 2010 2011 2012 2013 2014 2015 2016 Array ( [0] => 2009 [1] => 2009 [2] => 2010 [3] => 2011 [4] => 2012 [5] => 2013 [6] => 2014 [7] => 2015 [8] => 2016 )

preferences:
223.86 ms | 402 KiB | 291 Q