wp-head - Read For Learn

Add code into on a per page/post basis

As you said per page/post basis, this would work for each post add_action(‘wp_head’, ‘add_link_in_head’); function add_link_in_head() { global $post; if(!empty($post)) { $alternate = get_post_meta($post->ID, ‘alternate’, true); $hreflang = get_post_meta($post->ID, ‘hreflang’, true); if(!empty($alternate) && !empty($hreflang)) { ?> <link rel=”alternate” href=”https://wordpress.stackexchange.com/questions/110260/<?php echo $alternate; ?>” hreflang=”<?php echo $hreflang; ?>” /> <?php } } } If there is no … Read more

How can I get wp_head() as a string instead of echoing it?

You can use PHP’s output buffering. WIth this you can write a wrapper for the get_head() function function wpse251841_wp_head() { ob_start(); wp_head(); return ob_get_clean(); } You can then use this as $data = array( ‘wpHead’ => wpse251841_wp_head(), ‘postContent’ => $post->post_content, ‘postContentFiltered’ => apply_filters( ‘the_content’, $post->post_content ) ); Reference: Output Control Functions

Change title in head on Archive page

You can change it via the category template (if you have multiple category templates you’ll need to edit all of them; if you have archive.php, you need to edit it only there). Otherwise you can use the Yoast SEO plugin which have settings for naming the archives (actually I think that almost all SEO plugins … Read more

when should an action be added to init and when should it be added to wp_head

From Codex Action Reference: init Runs after WordPress has finished loading but before any headers are sent. Useful for intercepting $_GET or $_POST triggers. wp_head Runs when the template calls the wp_head function. This hook is generally placed near the top of a page template between <head> and </head>. This hook does not take any … Read more

How can I reduce the amount of files loaded/included per plugin?

Previous versions of WordPress didn’t really provide a good means to conditionally enqueue stylesheets and JavaScript within a plugin (i.e. only when needed). So most plugin authors enqueued both on every WordPress init/load, even if the plugin wasn’t being used on a given page. Current versions of WordPress allow for enqueuing later in the flow … Read more

Hook into wp_head(); in a plugin

Did you try this? function hook_header() { $example_position = get_theme_mod( ‘logo_placement’ ); if( $example_position != ” ) { switch ( $example_position ) { case ‘left’: // Do nothing. The theme already aligns the logo to the left break; case ‘right’: echo ‘<style type=”text/css”>’; echo ‘#main-header #logo{ float: right; }’; echo ‘</style>’; break; case ‘center’: echo … Read more

How to control initial wp_head() output?

Here is the current list of actions that is currently hooked by default to wp_head Reposted here to avoid unnecessary opening multiple browser windows add_action( ‘wp_head’, ‘_wp_render_title_tag’, 1 ); add_action( ‘wp_head’, ‘wp_enqueue_scripts’, 1 ); add_action( ‘wp_head’, ‘feed_links’, 2 ); add_action( ‘wp_head’, ‘feed_links_extra’, 3 ); add_action( ‘wp_head’, ‘rsd_link’ ); add_action( ‘wp_head’, ‘wlwmanifest_link’ ); add_action( ‘wp_head’, ‘adjacent_posts_rel_link_wp_head’, … Read more

Change Page’s Tag Using functions.php File

Check this out function custom_title($title_parts) { $title_parts[‘title’] = “Page Title”; return $title_parts; } add_filter( ‘document_title_parts’, ‘custom_title’ ); In custom_title, $title_parts contains ‘title’, ‘page’ (the pagination), ‘tagline’ (the slogan you specified) and ‘site’. Set “title” the way you like.

Multi-page posts do not get indexed by Google due to canonical URLs

You will need to replace the default rel_canonical function to do this: function wpse_84647_rel_canonical() { /* Only affect singular posts. Exit early if Yoast SEO is doing this for us */ if ( ! is_singular() || class_exists( ‘WPSEO_Frontend’ ) ) return; /* Get the post permalink */ $post = get_queried_object(); $link = trailingslashit( get_permalink( $post->ID … Read more

Removing specific style from wp_head

Note: the file name is functions.php, not function.php (but that’s probably just a typo in the question). To remove a script or style, you must remove it after it was added. If you try to remove it before it was added, or even print $GLOBALS[‘wp_scripts’]->registered, nothing will happen, since it was not added yet. So … Read more

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