3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php // Everything you enter here will be executed by our servers. Try it! $str = "1_1341383124_Photo Jul 04, 1 22 02 AM_20130724204332.png"; echo $a = strrpos($str,"."); $str2 = substr($str,0,$a); $str3 = preg_replace("/[-, :;.]/","_",$str2); $str3 = preg_replace("/[_]+/","_",$str3); echo $str3;
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.13.2, 7.0.0 - 7.1.0
521_1341383124_Photo_Jul_04_1_22_02_AM_20130724204332