I have always used || (two pipes) in OR expressions, both in C# and PHP. Occasionally I see a single pipe used: |. What is the difference between those two usages? Are there any caveats when using one over the other or are they interchangeable?
-
1010 Avenue of the Moon
New York, NY 10018 US. -
Mon - Sat 8.00 - 18.00
Sunday: Closed - Get A Quote