A number of other libraries and code bases already declare an OAuthException exception class causing a Fatal error: Cannot redeclare class OAuthException notice.
PR #9 wraps it in a if (!class_exists('OAuthException')) to prevent the fatal error if it already has been declared.
A number of other libraries and code bases already declare an OAuthException exception class causing a
Fatal error: Cannot redeclare class OAuthExceptionnotice.PR #9 wraps it in a
if (!class_exists('OAuthException'))to prevent the fatal error if it already has been declared.