If you have an elePHPant that you don't see below and would like a PHP Roundtable elePHPant, let's tradzies!
Image credits on afieldguidetoelephpants.net.
PHP Roundtable
Amsterdam PHP
Blue Open Goodies
Pink Open Goodies
Blue Original
TrueNorth PHP Woolly Mammoth
Rainbow
php|arch
PHP Women
ConFoo
Sunshine PHP
Laravel
Cake Software Foundation
CakePHP
AFUP
Dutch PHP Conference
Symfony
Roave
PHP Yorkshire
Zend Framework 2
ZendCon 2010
ZendCon 2013 - Chili
ZendCon 2014 - Z-Ray
ZendCon 2015 - PHP 7
ZendCon 2016 - ElPHPis
ZendCon 2017 - 501
These have been offered as a trade but haven't been traded yet.