- 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?
3 Database SQL walked into a NoSQL bar. A little while later... they walked out because they couldn't find a table.
Executes another PHP script strFILE in the middle of the current script where called as if all of them were a single script.
Use the htmlentities() function for simple sanitization and the HTML Purifier library for complex sanitization.
PHP output buffer
Don't, don't and never use any output buffer related function of PHP (like ob_start, ob_flush, ob_clean, ob_end, etc.) in your sPHP application if you don't want to screw yourself.