The original string: " mary jones lives in santa cruz, california at 22 ocean drive. "
strlen() returns: 62
strtoupper() returns: MARY JONES LIVES IN SANTA CRUZ, CALIFORNIA AT 22 OCEAN DRIVE.
strtolower() returns: mary jones lives in santa cruz, california at 22 ocean drive.
trim() returns: mary jones lives in santa cruz, california at 22 ocean drive.
str_ireplace() returns: mary jones lives in Los Altos, california at 22 ocean drive.
str_word_count()returns: 10