Get filename of file which ran PHP include

Question

When using the PHP include, how can I find out which file is calling the include? In short, what is the parent\'s file filename?

Answer 1

I was searching same information on web for complement my online course about php and found two ways. The first was

$file = baseline($_SERVER['PHP_SELF']);
echo $file;  //that outputs file name

BUT, in include or require cases it gets the final file that it's included or required. Also found this, the second

$file = __FILE__;
echo $file; //that outputs the absolute way from file

BUT i just was looking for the file name. So... I mix it up and it worths well!

$file = basename(__FILE__);
echo $file; //that outputs the file name itself (no include/require problems)