How to create an error 404 page using PHP?

user_102441 0
Viewed 250282

My file .htaccess handles all requests from /word_here to my internal endpoint /page.php?name=word_here. The PHP script then checks if the requested page is in its array of pages.

If not, how can I simulate an error 404?

I tried this, but it didn't result in my 404 page configured via ErrorDocument in the .htaccess showing up.

header($_SERVER["SERVER_PROTOCOL"]." 404 Not Found");

Am I right in thinking that it's wrong to redirect to my error 404 page?

http-status-code-404 redirect php
9 Answers

try putting 

ErrorDocument 404 /(root directory)/(error file)

in .htaccess file.

Do this for any error but substitute 404 for your error.

user_95498400

In the Drupal or Wordpress CMS (and likely others), if you are trying to make some custom php code appear not to exist (unless some condition is met), the following works well by making the CMS's 404 handler take over:

<?php
  if(condition){
    do stuff;
  } else {
    include('index.php');
  }
?>
user_2563050

Immediately after that line try closing the response using exit or die()

header($_SERVER["SERVER_PROTOCOL"]." 404 Not Found");
exit;

or

header($_SERVER["SERVER_PROTOCOL"]." 404 Not Found");
die();
user_58916450

try this once.

$wp_query->set_404();
status_header(404);
get_template_part('404');
user_93642150
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