[FIX] PHP Notice warning
[FIX] PHP Notice warning

nimblecoin/web,machinecoin-project/php-mpos,mculp/chunky-mpos,UNOMP/chunky-mpos,bankonme/php-mpos,mculp/chunky-mpos,ychaim/php-mpos,mculp/chunky-mpos,shreeneve/test,evgenyponomarev/pool,UNOMP/chunky-mpos,machinecoin-project/php-mpos,evgenyponomarev/pool,MPOS/php-mpos,sixxkilur/php-mpos,xisi/php-mpos,xisi/php-mpos,sasselin/xcoin-mpos,evgenyponomarev/pool,CoinHashMe/MPOS-SSO,sasselin/xcoin-mpos,MPOS/php-mpos,sasselin/xcoin-mpos,shreeneve/test,studio666/php-mpos,CoinHashMe/MPOS-SSO,nimblecoin/web,nimblecoin/web,ychaim/php-mpos,CoinHashMe/MPOS-SSO,CoinHashMe/MPOS-SSO,shreeneve/test,BlueDragon747/php-mpos,mmitech/php-mpos,BlueDragon747/php-mpos,MPOS/php-mpos,UNOMP/chunky-mpos,bankonme/php-mpos,CoinHashMe/MPOS-SSO,BlueDragon747/php-mpos,studio666/php-mpos,ychaim/php-mpos,sixxkilur/php-mpos,UNOMP/chunky-mpos,sixxkilur/php-mpos,xisi/php-mpos,machinecoin-project/php-mpos,mmitech/php-mpos,studio666/php-mpos,mmitech/php-mpos,bankonme/php-mpos,mculp/chunky-mpos