Uncaught Error

Call to undefined function split()

Before the Exception was thrown, the script called the following functions in this order:
   PicoraProfiler→start()   »  called on line 65 in /services15/webpages/util/c/s/csgibbs.site.aplus.net/public/index.php
      PicoraProfiler→getMicroTime()   »  called on line 43 in /services15/webpages/util/c/s/csgibbs.site.aplus.net/public/classes/PicoraProfiler.php
         The exception was thrown on line 167 in /services15/webpages/util/c/s/csgibbs.site.aplus.net/public/classes/PicoraProfiler.php