plugin development - Warning: include(): https: wrapper is disabled in the server configuration by allow_url_include=0

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I am trying to make a email template for my wordpress site. So I tried to include the HTML mockup that was given to me, but instead of putting it directly on the same file, I would like to include() instead. Here is what my code looks like that's returning the error.

    include(get_template_directory_uri() . '/inc/email_templates/quote.php');
    $message = $top_of_body;
    $message .= "<h1><strong>Name</strong></h1>: " .  $name . "\r\n";
    $message .= "<h1><strong>E-mail</strong></h1>: " . $fromEmail . "\r\n";
    $message .= "<p>" . $comments . "</p>";
    $message .= $bottom_of_body;
    $headers = "MIME-Version: 1.0" . "\r\n";
    $headers .= "Content-Type: text/html; charset=ISO-8859-1" . "\r\n";
    $headers .= "From: " . $fromEmail . "\r\n";
    $headers .= "Reply-To: " . $fromEmail . "\r\n";

I tested doing the HTML for email in the same file and it works, so the problem only occurs on the include. How do I "enable" this feature?

This is my error Warning: include(): https:// wrapper is disabled in the server configuration by allow_url_include=0

I am trying to make a email template for my wordpress site. So I tried to include the HTML mockup that was given to me, but instead of putting it directly on the same file, I would like to include() instead. Here is what my code looks like that's returning the error.

    include(get_template_directory_uri() . '/inc/email_templates/quote.php');
    $message = $top_of_body;
    $message .= "<h1><strong>Name</strong></h1>: " .  $name . "\r\n";
    $message .= "<h1><strong>E-mail</strong></h1>: " . $fromEmail . "\r\n";
    $message .= "<p>" . $comments . "</p>";
    $message .= $bottom_of_body;
    $headers = "MIME-Version: 1.0" . "\r\n";
    $headers .= "Content-Type: text/html; charset=ISO-8859-1" . "\r\n";
    $headers .= "From: " . $fromEmail . "\r\n";
    $headers .= "Reply-To: " . $fromEmail . "\r\n";

I tested doing the HTML for email in the same file and it works, so the problem only occurs on the include. How do I "enable" this feature?

This is my error Warning: include(): https:// wrapper is disabled in the server configuration by allow_url_include=0

• plugin-development
• theme-development
• email
• wp-mail

Share Improve this question asked Oct 2, 2020 at 20:37 davidb3rndavidb3rn 722 silver badges44 bronze badges 1

• get_template_directory_uri is for retrieving a URL not a folder path to the template directory, though that still leaves the problem that it will echo rather than return the content – Tom J Nowell ♦ Commented Oct 2, 2020 at 21:01

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1 Answer 1

Sorted by: Reset to default 5

replace the first line on this

include(get_template_directory() . '/inc/email_templates/quote.php');

when accessing a file, use the absolute path, not the uri

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