fastcgi_split_path_info Unsetting $fastcgi_path_info with Try_Files

[Mark Johnson]

When using a try_files inside a location block that will be using PHP-FPM the "fastcgi_split_path_info" method does NOT properly save the $fastcgi_path_info variable. With the try_files directive removed, the $fastcgi_path_info is set properly.

	location ~ \.php$ {
		fastcgi_split_path_info ^(.+\.php)(/.+)$;

		# Define the results as fastcgi parameters for quick 
		# verification/debug via <?php print_$(SERVER); ?>
		fastcgi_param FASTCGI_SCRIPT_NAME	$fastcgi_script_name;
		fastcgi_param FASTCGI_PATH_INFO		$fastcgi_path_info;

		# FASTCGI_PATH_INFO reports blank when using try_files.
		try_files $fastcgi_script_name =404;

		# Alternatively, using an "evil-if" will result in the variables being set correctly.
		#if (!-f $document_root/$fastcgi_script_name) {
		#	return 404;
		#}

		fastcgi_pass unix:/var/run/php5-fpm.sock;
		fastcgi_index index.php;
		# ...
	}

---

TO REPRODUCE

1. Include the above location block in the default site (making changes where appropriate)

2. Update/create the index.php as follows at the default server root on a clean Nginx install.

   <?php
   echo '<pre>';
   print_r($_SERVER);
   echo '</pre>';
   ?>
   

3. Restart nginx.

4. Navigate to:

   /index.php/foo/bar.php?param=1
   

5. Expected Results Using try_files

   Array
   (
   	[FASTCGI_SCRIPT_NAME] => /index.php
   	[FASTCGI_PATH_INFO] => /foo/bar.php
   )
   

6. Actual Results Using try_files

   Array
   (
   	[FASTCGI_SCRIPT_NAME] => /index.php
   	[FASTCGI_PATH_INFO] =>
   )
   

[Maxim Dounin]

Duplicate of #321.