Fix empty() check for PHP 5.4.* :suspect:
Fix empty() check for PHP 5.4.* :suspect:

Kleinast/deployer,lucasmichot/deployer,mbrodala/deployer,jverdeyen-forks/deployer,vanquang9387/deployer,jverdeyen/deployer,tmarly/deployer,jeroendesloovere/deployer,viniciusferreira/deployer,jverdeyen-forks/deployer,Denniskevin/deployer,robfrawley/deployer,zajca/deployer,AlexStansfield/deployer,dennschu/deployer,ejacky/deployer,viniciusferreira/deployer,Backelite/deployer,harikt/deployer,deployphp/deployer,torinaki/deployer,akovalyov/deployer,johnstevin/deployer,deployphp/deployer,cjsewell/deployer,m038/deployer,fredcollet/deployer,deployphp/deployer,prosalov/deployer,johnny-bit/deployer,robfrawley/deployer,Denniskevin/deployer,atlet/deployer,ejacky/deployer,hnq90/deployer,johnstevin/deployer,dennschu/deployer,dimsav/deployer,tmarly/deployer,kaa4ever/deployer,vanquang9387/deployer,prosalov/deployer,oanhnn/deployer,voodoo-mobile/deployer,m038/deployer,dimsav/deployer,TheRatG/deployer,voodoo-mobile/deployer,mneuhaus/deployer,mneuhaus/deployer,kaa4ever/deployer