Code Igniter – Remove index.php From URL

create htaccess file with this content

RewriteEngine on
RewriteCond $1 !^(index\.php|images|robots\.txt)
RewriteRule ^(.*)$ /codeigniter/index.php/$1 [L]

CakePHP – Get Current URL in View

echo Router::url($this->here, true);

or

echo $this->here;