- 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?
Software developers like to solve problems. If there are no problems available, they will create their own problems!
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.
Use the PCRE (preg_*) family of functions.
Use this script to execute any common PHP code before your application loads. But don't make any output here.