Peter MacIntyre has over 30 years of experience in IT, primarily in the area of PHP and Web Technologies. He has contributed writing material for many industry publications: "Programming PHP", 4th Edition (O'Reilly); "PHP: The Good Parts" (O'Reilly); and "Pro PHP Programming" (APress)---among others.Peter is a co-founder and past co-chair for the Northeast PHP Developer's Conference previously held in Boston, MA, USA and Charlottetown, PE, Canada (northeastphp.org). As well, Peter has spoken at conferences around the world including "PHP Day" in Verona, Italy; "PHPCE" in Warsaw, Poland; "PHP[World]" in Washington DC, USA; "ZendCon" in Las Vegas, USA; "Prairie Dev Con" in Winnipeg, Canada; "CA-World" in New Orleans, USA; "CA-TechniCon" in Cologne, Germany; and "CA-Expo" in Melbourne, Australia.