var_dump(strrpos("ABCDEF","DAF"));
?>
Will give you differents results. The diffence is in the second cal to strrpos(). The same applies and for strripos().
-2. Change illegal use of string offset from E_WARNING to E_ERROR
\ No newline at end of file
+2. Change illegal use of string offset from E_WARNING to E_ERROR
+3. array_merge() accepts only arrays. If non-array is passed a E_WARNING for every non-array
+ parameter will be throwed. Be careful because your code may start emitting E_WARNING out of the blue.