Entering Meta Tags to header.php basing on PHP/JS rul

Question

I need to add meta lines to the header.php only where the page url contains /200/

We are currently using this rule:

<?php if($page == 200) { ?>
  <meta http-equiv="X-UA-Compatible" content="IE=edge" />
  <meta name="robots" content="noindex, nofollow" /> 
<?php } ?>

Error log gives an error for this patch: [Tue Mar 12 13:13:15.070693 2019] [:error] [pid 28413] [client 127.0.0.1:29570] PHP Notice: Undefined variable: page in /nas/content/live/parentsdome1/wp-content/themes/voice/header.php on line 27

I have a local JS parameter called page_number

Can I use that somehow instead?

Other ideas on how to 'query' the string to see if it contains "/200/"?

Many thanks!

Possible duplicate of Reference — What does this symbol mean in PHP? — Nico Haase
– Nico Haase, Commented Mar 12, 2019 at 14:08

Kévin Bibollet · Accepted Answer · 2019-03-12 13:48:15Z

2

You can do it only with PHP.

First get the current URL, then check if it contains a specific string.

<?php
    $page = (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] === 'on'
        ? "https"
        : "http")
        . "://$_SERVER[HTTP_HOST]$_SERVER[REQUEST_URI]";

    if (strpos($page, '/200/') !== false):
?>

<!-- <meta> -->

<?php
    endif;
?>

answered Mar 12, 2019 at 13:48

Kévin Bibollet

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