i'm developing a theme. I read there that themes should have the support to title tags declaring it in functions.php. I did so, together with removing any title in head.php, but my index has no title.

My functions.php has this:

add_action("after_setup_theme", "mytheme_setup");

function mytheme_setup () {
    add_theme_support( 'title_tag' );
    add_theme_support( 'post-thumbnails' );
    set_post_thumbnail_size(356, 245);

Now header.php, very basic atm

    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width">
    <?php if ( is_singular() && pings_open( get_queried_object() ) ) : ?>
    <link rel="pingback" href="<?php bloginfo( 'pingback_url' ); ?>">
    <?php endif; ?>
    <link href="https://fonts.googleapis.com/css?family=Roboto" rel="stylesheet"> 
    <?php wp_head(); ?>

As final note, i should say that not even the way with wp_title() worked. The only way to show something is to put some bloginfo() thing. Any help would be appreciated.

  • what does echo wp_get_document_title() output? – Milo May 13 '17 at 17:30
  • It prints what i'd like to have as title. Should i just put it inside a <title> tag? – Daniele Squalo May 13 '17 at 17:36
  • No, that was just a test. That's what ultimately gets called when wp_head is invoked, calling all functions hooked to the wp_head action. What about echo current_theme_supports( 'title_tag' ), what does that output? – Milo May 13 '17 at 17:41
  • Nothing, not even true or false. – Daniele Squalo May 13 '17 at 17:45
  • @Milo Sorry i just seen now. It returns 1. I suppose this is alright. – Daniele Squalo May 13 '17 at 17:53

Which version of wordpress you are using. If its older version then you need Backwards Compatibility as mentioned here:


Also make sure to switch theme again.

  • Version 4.7.4. Compatible as far as i know. – Daniele Squalo May 13 '17 at 19:46

I did a typo in funcions.php, typing title_tag instead of title-tag.

add_theme_support( 'title-tag' );

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