- 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?
Documentaion is like sex. When it's good, it's very good. When it's bad, it's better than nothing.
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.
Xdebug, PHP’s debugger, can be utilized by various IDEs to provide Breakpoints and stack inspection. It can also allow tools like PHPUnit and KCacheGrind to perform code coverage analysis and code profiling.
Use this script to execute any common PHP code before your application loads. But don't make any output here.