.htaccess - I want my users to only access my php files, if they try to access the folders I want to include my page 404 file -

i have query string include pages, in homepage see below , working fine, im including pages fine.

but wrong happening , im not finding how can solve this.

i try expain isse example: have folder "teachers" inside have 2 pdf documents , page "documents.php". acess documents page, im acessing: "htp://localhost/website/teachers/documents", , working fine.

but if acess "htp://localhost/website/teachers/", im able acess pdf documents , page see in image below.

but dont want this, want if user tries acess "htp://localhost/website/teachers/", want include 404 file (require_once('inc/404.php');)

my query string:

@$url = $_get['url']; $url = explode('/', $url); $url[0] = ($url[0] == null ? 'index' : $url[0]);  if(file_exists('inc/'.$url[0].'.php')){      require_once('inc/'.$url[0].'.php'); } elseif(file_exists($url[0].'/'.$url[1].'/'.$url[2].'.php')){      require_once($url[0].'/'.$url[1].'/'.$url[2].'.php'); } elseif(@file_exists($url[0].'/'.$url[1].'.php')){      require_once($url[0].'/'.$url[1].'.php'); } else{      require_once('inc/404.php'); } 

do see im doing wrong not having result want?

my htaccess file:

rewriteengine on rewritecond %{script_filename} !-f rewritecond %{script_filename} !-d rewriterule ^(.*)$ index.php?url=$1 

there easier solution.

add line beginning of .htaccess file:

options -indexes 

this way, won't able see folder contents.

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edit: htaccess rule solution (which in website folder)

errordocument 404 /website/inc/404.php  rewriteengine on rewritebase /website/  rewriterule ^teachers/$ - [r=404,l]  rewritecond %{request_filename} !-f rewritecond %{request_filename} !-d rewriterule ^(.*)$ index.php?url=$1 [l]