+ +
+

Path Helper

+

The Path Helper file contains functions that permits you to work with +file paths on the server.

+ +
+

Loading this Helper

+

This helper is loaded using the following code:

+
$this->load->helper('path');
+
+
+
+
+

Available Functions

+

The following functions are available:

+
+
+set_realpath($path[, $check_existance = FALSE])
+
+++ + + + + + + + +
Parameters:
    +
  • $path (string) – Path
    • +
  • $check_existance (bool) – Whether to check if the path actually exists
    • +
+
Returns:

An absolute path

+
Return type:

string

+
+

This function will return a server path without symbolic links or +relative directory structures. An optional second argument will +cause an error to be triggered if the path cannot be resolved.

+

Examples:

+
$file = '/etc/php5/apache2/php.ini';
+echo set_realpath($file); // Prints '/etc/php5/apache2/php.ini'
+
+$non_existent_file = '/path/to/non-exist-file.txt';
+echo set_realpath($non_existent_file, TRUE);    // Shows an error, as the path cannot be resolved
+echo set_realpath($non_existent_file, FALSE);   // Prints '/path/to/non-exist-file.txt'
+
+$directory = '/etc/php5';
+echo set_realpath($directory);  // Prints '/etc/php5/'
+
+$non_existent_directory = '/path/to/nowhere';
+echo set_realpath($non_existent_directory, TRUE);       // Shows an error, as the path cannot be resolved
+echo set_realpath($non_existent_directory, FALSE);      // Prints '/path/to/nowhere'
+
+
+
+ +
+
+ + +