Exclamation mark in front of variable - clarification needed. I've been working with PHP for quite a while now, but this was always a mystery to me, the correct use of the exclamation mark (negative sign) in front of variables. What does !$var indicate? Is var false, empty, not set etc.?
Lancaster is a city in Dallas County, Texas, United States. The population was 25,894 at the 2000 census. Locally, Lancaster is pronounced LANK-ist-er or LANK-us-ter, it is often mispronounce as LAN-CAS-ter. Lancaster is a suburb of Dallas, Texas and is part of the Best Southwest area, which includes Lancaster, Cedar Hill, DeSoto, and Duncanville. Most of the city is in Dallas County. But a extremely small southern section spills over into Ellis County.
The play featured the Amish and the area in which they live--Lancaster County. The play sparked so much interest in Lancaster County that visitation ballooned from 25,000 annual visitors to over 2,000,000 visitors by 1960.ith millions of people coming to Lancaster County and the added interest in the Old Order Amish (not to mention the invasions of privacy), local-man Adolph Neuber, believed there should be a place where visitors could correctly learn about the Amish.