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<?php
// Do not allow directly accessing this file.
if ( ! defined( 'ABSPATH' ) ) {
exit( 'Direct script access denied.' );
}
/**
* Tweaks for the <head> of the document.
*
* @since 3.8
*/
class Avada_Head {
/**
* Constructor.
*
* @access public
*/
public function __construct() {
/*
// WIP
add_action( 'wp_head', array( $this, 'x_ua_meta' ), 1 );
add_action( 'wp_head', array( $this, 'the_meta' ) );
*/
add_action( 'wp_head', array( $this, 'insert_og_meta' ), 5 );
add_filter( 'language_attributes', array( $this, 'add_opengraph_doctype' ) );
add_filter( 'document_title_separator', array( $this, 'document_title_separator' ) );
add_action( 'wp_head', array( $this, 'insert_favicons' ), 2 );
remove_action( 'wp_head', 'adjacent_posts_rel_link_wp_head' );
if ( ! function_exists( '_wp_render_title_tag' ) ) {
add_action( 'wp_head', array( $this, 'render_title' ) );
}
}
/**
* Adding the Open Graph in the Language Attributes
*
* @access public
* @param string $output The output we want to process/filter.
* @return string The altered doctype
*/
public function add_opengraph_doctype( $output ) {
if ( Avada()->settings->get( 'status_opengraph' ) ) {
return $output . ' prefix="og: http://ogp.me/ns# fb: http://ogp.me/ns/fb#"';
}
return $output;
}
/**
* Renders the title.
*
* @access public
* @since 5.0.0
*/
public function render_title() {
echo '<title>';
wp_title( '' );
echo '</title>';
}
/**
* Avada extra OpenGraph tags
* These are added to the <head> of the page using the 'wp_head' action.
*
* @access public
* @return void
*/
public function insert_og_meta() {
// Early exit if we don't need to continue any further.
if ( ! Avada()->settings->get( 'status_opengraph' ) ) {
return;
}
// Early exit if this is not a singular post/page/cpt.
if ( ! is_singular() ) {
return;
}
global $post;
$settings = Avada::settings();
$image = '';
if ( ! has_post_thumbnail( $post->ID ) ) {
if ( isset( $settings['logo'] ) && $settings['logo'] ) {
$image = $settings['logo'];
}
} else {
$thumbnail_src = wp_get_attachment_image_src( get_post_thumbnail_id( $post->ID ), 'full' );
$image = esc_attr( $thumbnail_src[0] );
}
if ( is_array( $image ) ) {
$image = ( isset( $image['url'] ) && '' != $image['url'] ) ? $image['url'] : '';
}
?>
<meta property="og:title" content="<?php echo strip_tags( str_replace( array( '"', "'" ), array( '"', ''' ), $post->post_title ) ); ?>"/>
<meta property="og:type" content="article"/>
<meta property="og:url" content="<?php echo get_permalink(); ?>"/>
<meta property="og:site_name" content="<?php echo get_bloginfo( 'name' ); ?>"/>
<meta property="og:description" content="<?php echo Avada()->blog->get_content_stripped_and_excerpted( 55, $post->post_content ); ?>"/>
<?php if ( '' != $image ) : ?>
<?php if ( is_array( $image ) ) : ?>
<?php if ( isset( $image['url'] ) ) : ?>
<meta property="og:image" content="<?php echo $image['url']; ?>"/>
<?php endif; ?>
<?php else : ?>
<meta property="og:image" content="<?php echo $image; ?>"/>
<?php endif; ?>
<?php endif;
}
/**
* Add X-UA-Compatible meta when needed.
*
* @access public
*/
public function x_ua_meta() {
if ( isset( $_SERVER['HTTP_USER_AGENT'] ) && ( false !== strpos( $_SERVER['HTTP_USER_AGENT'], 'MSIE' ) ) ) : ?>
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1" />
<?php endif;
}
/**
* Set the document title separator.
*
* @access public
*/
public function document_title_separator() {
return '-';
}
/**
* Avada favicon as set in theme options
* These are added to the <head> of the page using the 'wp_head' action.
*
* @access public
* @since 4.0
* @return void
*/
public function insert_favicons() {
if ( '' != Avada()->settings->get( 'favicon', 'url' ) ) : ?>
<link rel="shortcut icon" href="<?php echo Avada()->settings->get( 'favicon', 'url' ); ?>" type="image/x-icon" />
<?php endif;
if ( '' != Avada()->settings->get( 'iphone_icon', 'url' ) ) : ?>
<!-- For iPhone -->
<link rel="apple-touch-icon-precomposed" href="<?php echo Avada()->settings->get( 'iphone_icon', 'url' ); ?>">
<?php endif;
if ( '' != Avada()->settings->get( 'iphone_icon_retina', 'url' ) ) : ?>
<!-- For iPhone 4 Retina display -->
<link rel="apple-touch-icon-precomposed" sizes="114x114" href="<?php echo Avada()->settings->get( 'iphone_icon_retina', 'url' ); ?>">
<?php endif;
if ( '' != Avada()->settings->get( 'ipad_icon', 'url' ) ) : ?>
<!-- For iPad -->
<link rel="apple-touch-icon-precomposed" sizes="72x72" href="<?php echo Avada()->settings->get( 'ipad_icon', 'url' ); ?>">
<?php endif;
if ( '' != Avada()->settings->get( 'ipad_icon_retina' ) ) : ?>
<!-- For iPad Retina display -->
<link rel="apple-touch-icon-precomposed" sizes="144x144" href="<?php echo Avada()->settings->get( 'ipad_icon_retina', 'url' ); ?>">
<?php endif;
}
}
/* Omit closing PHP tag to avoid "Headers already sent" issues. */