- Misspelling of Array key (case sensitive).
- If the variable comes from another script, check the script is 'include'd or 'require'd at least once;
- Did you really define/set the Array element?
- Did you unset the Array element somewhere before?
"I don't see women as objects. I consider each to be in a class of her own."
Compares two strings (case insensitive & binary safe). Returns < 0 if strFIRST is less than strSECOND; > 0 if strFIRST is greater than strSECOND, and 0 if they are equal.
Single vs. double quotes from a performance perspective: It doesn’t really matter.
Use Debug Checkpoints to measure execution times of your application code blocks with a detailed listing of time consumption, how much went where.