CC-5584: Quick PHP version check (5.4+)
CC-5584: Quick PHP version check (5.4+)

* Thanks to John Chewter for connecting the dots on this one!

ReganDryke/airtime,radiorabe/airtime,comiconomenclaturist/libretime,thnkloud9/Airtime,justvanbloom/airtime,Lapotor/libretime,thnkloud9/Airtime,sourcefabric/Airtime,comiconomenclaturist/libretime,sourcefabric/airtime,sourcefabric/Airtime,ReganDryke/airtime,thnkloud9/Airtime,sourcefabric/Airtime,justvanbloom/airtime,thnkloud9/Airtime,Ryex/airtime,justvanbloom/airtime,Ryex/airtime,ReganDryke/airtime,LibreTime/libretime,radiorabe/airtime,sourcefabric/airtime,sourcefabric/airtime,sourcefabric/airtime,justvanbloom/airtime,ReganDryke/airtime,LibreTime/libretime,LibreTime/libretime,radiorabe/airtime,Ryex/airtime,radiorabe/airtime,sourcefabric/Airtime,ReganDryke/airtime,Lapotor/libretime,comiconomenclaturist/libretime,sourcefabric/airtime,justvanbloom/airtime,Lapotor/libretime,thnkloud9/Airtime,comiconomenclaturist/libretime,radiorabe/airtime,radiorabe/airtime,Lapotor/libretime,sourcefabric/Airtime,sourcefabric/Airtime,Ryex/airtime,sourcefabric/airtime,Ryex/airtime,comiconomenclaturist/libretime,Ryex/airtime,Lapotor/libretime,LibreTime/libretime,Lapotor/libretime,sourcefabric/airtime,comiconomenclaturist/libretime,LibreTime/libretime,justvanbloom/airtime,Ryex/airtime,thnkloud9/Airtime,thnkloud9/Airtime,comiconomenclaturist/libretime,ReganDryke/airtime,radiorabe/airtime,sourcefabric/Airtime,ReganDryke/airtime,LibreTime/libretime,justvanbloom/airtime