Replace call to deprecated split() function with preg_split().
Replace call to deprecated split() function with preg_split().

Signed-off-by: Michael Eshom <5158bd6999ee25dab95ee881ca6de399cfc6aac9@oldiesmann.us>

StealthWombat/SMF2.1-more-forkery,StealthWombat/SMF2.1-more-forkery