Path Helper¶
The Path Helper file contains functions that permits you to work with file paths on the server.
Page Contents
Loading this Helper¶
This helper is loaded using the following code:
$this->load->helper('path');
The following functions are available:
set_realpath()¶
- set_realpath($path, $check_existance = FALSE)¶
Parameters: - $path (string) – Path
- $check_existance (bool) – Whether to check if the path actually exists
Returns: 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'