by Rasmus Lerdorf
at .concat() 2018 on Mar 3rd, 2018

by Rasmus Lerdorf
at PHP Srbija/PHP Serbia 2017 on May 27th, 2017

by Rasmus Lerdorf
at SunshinePHP 2015 on Feb 6th, 2015

by Rasmus Lerdorf
at SunshinePHP 2014 on Feb 7th, 2014

by Rasmus Lerdorf
at SunshinePHP 2013 on Feb 8th, 2013

by Rasmus Lerdorf , Hugh Williams , Ian Barber , Nikolay Bachiyski & Ian Barber, Hugh Williams, Nikolay Bachiyski & Rasmus Lerdorf
at PHP UK Conference on Feb 24th, 2012

by Rasmus Lerdorf
at PHP UK Conference on Feb 24th, 2012

by Rasmus Lerdorf
at PHP UK Conference on Feb 23rd, 2007