Path Helper
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'
© 2014–2017 British Columbia Institute of Technology
Licensed under the MIT License.
https://www.codeigniter.com/user_guide/helpers/path_helper.html