You can do the following to make LiteSpeed compatible with php selector per directory.
Force reinstall LSWS 4.2.22 to get the latest build.
follow
http://www.litespeedtech.com/suppor...peed_wiki:multiple_phps_in_control_panel_lsws
to setup multiple PHP handler for .php52 .php53 .php54 .php55 .php56 , skip the version you do not need.
For external app php53 uses PHP binary /opt/alt/php53/usr/bin/lsphp, php54 uses binary /opt/alt/php54/usr/bin/lsphp, and so on.