3v4l.org

run code in 150+ php & hhvm versions
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<?php $string = '2014-02-05_10_10_33_664766918_index.log'; echo substr ($string, 0, strrpos($string, '.')); echo substr ($string, strrpos($string, '.'));
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
2014-02-05_10_10_33_664766918_index.log