By default, CodeIgniter 3 expects the default controller to be located directly inside the This guide explains how to modify the CodeIgniter 3 Router so that the default controller can be placed inside a subfolder<\/strong> within the controllers directory.<\/p>\n\n\n\n Before starting, make sure:<\/p>\n\n\n\n Open the following file:<\/p>\n\n\n\n Locate the mentioned section of the file.<\/p>\n\n\n\n Around line 298<\/strong>, locate:<\/p>\n\n\n\n Replace it with:<\/p>\n\n\n\n This modification allows the default controller route to include a subfolder.<\/p>\n\n\n\n Around line 303<\/strong>, locate:<\/p>\n\n\n\n Replace it with:<\/p>\n\n\n\n This changes the controller path check so that CodeIgniter can locate the controller inside the specified subfolder.<\/p>\n\n\n\n Before:<\/p>\n\n\n\n add the following line:<\/p>\n\n\n\n The modified section should therefore set the directory before setting the controller class.<\/p>\n\n\n\n Once the Router changes are made, configure the default controller value with the required directory structure.<\/p>\n\n\n\n For example, if your controller is located at:<\/p>\n\n\n\n the default controller can be configured using the subfolder and controller name.<\/p>\n\n\n\n CodeIgniter 3 normally expects the default controller to be directly under the This is useful when organizing controllers into separate directories, especially for larger CodeIgniter applications.<\/p>\n\n\n\n Open:<\/p>\n\n\n\n and update the specified sections.<\/p>\n\n\n\n Subfolders help organize controllers into logical groups, particularly in larger applications.<\/p>\n\n\n\n Use:<\/p>\n\n\n\n before setting the controller class.<\/p>\n\n\n\n Yes. This approach modifies Learn how to send emails using HTML templates in a CodeIgniter application.<\/p>\n\n\n\ncontrollers<\/code> directory.<\/p>\n\n\n\nPrerequisites<\/h2>\n\n\n\n
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application\/controllers<\/code>.<\/li>\n<\/ul>\n\n\n\nImplementation<\/h2>\n\n\n\n
Step 1: Open the Router.php File<\/h3>\n\n\n\n
application\/system\/Router.php<\/pre>\n\n\n\n
Step 2: Modify the Default Controller Parsing<\/h3>\n\n\n\n
if (sscanf($this->default_controller, '%[^\/]\/%s', $class, $method) !== 2)<\/pre>\n\n\n\n
if (!sscanf($this->default_controller, '%[^\/]\/%[^\/]\/%s', $directory, $class, $method) !== 2)<\/pre>\n\n\n\n
Step 3: Modify the Controller File Path<\/h3>\n\n\n\n
if ( ! file_exists(APPPATH.'controllers\/'.$this->directory.ucfirst($class).'.php'))<\/pre>\n\n\n\n
if ( ! file_exists(APPPATH.'controllers'. DIRECTORY_SEPARATOR . $directory. DIRECTORY_SEPARATOR .ucfirst($class).'.php'))<\/pre>\n\n\n\n
Step 4: Set the Controller Directory<\/h3>\n\n\n\n
$this->set_class($class);<\/pre>\n\n\n\n
$this->set_directory($directory);<\/pre>\n\n\n\n
Step 5: Configure the Default Controller<\/h3>\n\n\n\n
application\/controllers\/admin\/Home.php<\/pre>\n\n\n\n
Conclusion<\/h2>\n\n\n\n
controllers<\/code> directory. By modifying the Router configuration, you can allow the default controller to reside inside a subfolder.<\/p>\n\n\n\nFAQs<\/h2>\n\n\n\n
1. Where should the Router file be modified?<\/h4>\n\n\n\n
application\/system\/Router.php<\/pre>\n\n\n\n
2. Why use a subfolder for controllers?<\/h4>\n\n\n\n
3. Which method is used to set the controller directory?<\/h4>\n\n\n\n
$this->set_directory($directory);<\/pre>\n\n\n\n
4. Does this change the CodeIgniter core files?<\/h4>\n\n\n\n
Router.php<\/code>, which is part of the CodeIgniter system files. Keep a backup of the original file before making changes.<\/p>\n\n\n\nRelated Articles<\/h2>\n\n\n\n
Send Email Using HTML Templates in CodeIgniter<\/h4>\n\n\n\n