3v4l.org

run code in 150+ php & hhvm versions
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<?php $d = date('d', strtotime("2013-08-28")); echo ceil($d/7).PHP_EOL; echo "\n"; echo date('w', strtotime("2013-08-28")) + 1;
Output for 4.3.10 - 4.4.9, 5.0.2 - 7.1.0
4 4
Output for 4.3.0 - 4.3.9, 5.0.0 - 5.0.1
Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/DvYOZ on line 4 4PHP_EOL 4