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Few days back I was thinking, if CI could run a specific controller on 404 errors.
As we know there is a error template, already present. But what if all the URLs are sent to this error controller……
This controller will check for a specific page in database and get the content for that page. Here's a way to do so: 1. Go to system\libraries\Router.php 2. Go to the following function: _validate_request($segments)
initially it is: if (file_exists(APPPATH.'controllers/'.$segments[0].EXT)){
return $segments;
} 3. Add elseif condition like this: if (file_exists(APPPATH.'controllers/'.$segments[0].EXT)){
return $segments;
}elseif($segments[0]!='admin'){
define('ERROR_PAGE',TRUE,TRUE);
$segments[0]='error';//Controller
$segments[1]='index';//Function
return $segments;
} Now on every 404-error page you can run a specific task, even can track the URLs which users have not found and look forward that, how he went there.
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Running a controller on 404 Error
