daw/inc/tweaks.php

<?php


######################  Date Modified	######################

function daw_post_columns_data( $column, $post_id ) {
	switch ( $column ) {
	case 'modified':
		$m_orig		= get_post_field( 'post_modified', $post_id, 'raw' );
		$m_stamp	= strtotime( $m_orig );
		$modified	= date('Y/m/d', $m_stamp );
			$modr_id	= get_post_meta( $post_id, '_edit_last', true );
			echo '<p class="mod-date">';
			echo '<em>'.$modified.'</em>';
			echo '</p>';
		break;
	}
}
add_action ( 'manage_posts_custom_column',	'daw_post_columns_data',	10,	2	);
add_filter ( 'manage_edit-post_columns',	'daw_post_columns_display');

function daw_post_columns_display( $columns ) {
	$columns['modified']	= 'Last Modified';
	return $columns;
}
function daw_last_modified_column_register_sortable( $columns ) {
	$columns['modified'] = 'post_modified';
  return $columns;
}
add_filter( "manage_edit-post_sortable_columns", "daw_last_modified_column_register_sortable" );
add_filter( "manage_edit-page_sortable_columns", "daw_last_modified_column_register_sortable" );

 

remove_action('wp_head', 'index_rel_link' );
remove_action('wp_head', 'rel_canonical');
remove_action('wp_head', 'start_post_rel_link', 10);
remove_action('wp_head', 'adjacent_posts_rel_link_wp_head', 10);
remove_action('wp_head', 'wp_shortlink_wp_head', 10);
remove_action('wp_head', 'parent_post_rel_link', 10);
remove_action('wp_head', 'rsd_link');
remove_action('wp_head', 'wlwmanifest_link');
remove_action('wp_head', 'wp_generator');
remove_action('wp_head', 'feed_links_extra', 3 );
remove_action('wp_head', 'feed_links', 2 );
remove_action('wp_head', 'wp_oembed_add_discovery_links', 10);
remove_action('wp_head', 'wp_oembed_add_host_js', 10);

// Strip only the WordPress *core* version from asset URLs (mild version hiding).
// Leave other ?ver values intact so filemtime cache-busters keep working —
// otherwise browsers cache CSS/JS forever and never see a rebuild.
function dw_remove_wp_ver_css_js( $src ) {
    if ( strpos( $src, 'ver=' . $GLOBALS['wp_version'] ) !== false )
        $src = remove_query_arg( 'ver', $src );
    return $src;
}
add_filter( 'style_loader_src', 'dw_remove_wp_ver_css_js', 9999 );
add_filter( 'script_loader_src', 'dw_remove_wp_ver_css_js', 9999 );

add_filter( 'xmlrpc_enabled', '__return_false' );
add_filter( 'wp_headers', 'disable_x_pingback' );
function disable_x_pingback( $headers ) {
  unset( $headers['X-Pingback'] );
return $headers;
}

function disable_emojis_tinymce( $plugins ) {
  if ( is_array( $plugins ) ) {
    return array_diff( $plugins, array( 'wpemoji' ) );
  } else {
    return array();
  }
}

function disable_emojis() {
	remove_action( 'wp_head', 'print_emoji_detection_script', 7 );
	remove_action( 'admin_print_scripts', 'print_emoji_detection_script' );
	remove_action( 'wp_print_styles', 'print_emoji_styles' );
	remove_action( 'admin_print_styles', 'print_emoji_styles' );
	remove_filter( 'the_content_feed', 'wp_staticize_emoji' );
	remove_filter( 'comment_text_rss', 'wp_staticize_emoji' );
	remove_filter( 'wp_mail', 'wp_staticize_emoji_for_email' );
	add_filter( 'tiny_mce_plugins', 'disable_emojis_tinymce' );
	add_filter( 'emoji_svg_url', '__return_false' );
}
add_action( 'init', 'disable_emojis' );

function custom_excerpt_length( $length ) {
	return 20;
}
add_filter( 'excerpt_length', 'custom_excerpt_length', 999 );

add_filter('wp_mail_from', 'dw_fromemail');
function dw_fromemail($email) {
	$wpfrom = get_option('admin_email');
    return $wpfrom;
}
add_filter('wp_mail_from_name', 'dw_fromname');
function dw_fromname($email){
   	$wpfrom = get_option('blogname');
    return $wpfrom;
}

add_filter( 'embed_oembed_html', 'dw_oembed_filter', 10, 4 ) ;
function dw_oembed_filter($html, $url, $attr, $post_ID) {
    $return = '<div class="video-container">'.$html.'</div>';
	$return = str_replace('frameborder="0" allowfullscreen', 'style="border:none"', $return);
    return $return;
}

add_filter( 'embed_oembed_html', 'dw_embed_oembed_html' );
function dw_embed_oembed_html( $html ) {
    return preg_replace( '@src="https?:@', 'src="', $html );
}


function dw_deliver_form_mail() {
	if ( isset( $_POST['dw-contact'] ) ) {
		$fname = sanitize_text_field( $_POST["dw-fname"] );
		$lname = sanitize_text_field( $_POST["dw-lname"] );
		$email = sanitize_email( $_POST["dw-email"] );
		$subject = sanitize_text_field( $_POST["dw-org"] );
		$message = esc_textarea( $_POST["dw-message"] );
		$to = get_option( 'admin_email' );
		$headers = "From: $fname $lname <$email>" . "\r\n";

		if ( wp_mail( $to, $subject, $message, $headers ) ) {
			echo '<div class="alert alert-success" role="alert">';
			echo '<p>Thank you. I will be in touch.</p>';
			echo '</div>';
		}
		else {
			echo '<div class="alert alert-danger" role="alert">';
			echo '<p>Error, please try again</p>';
			echo '</div>';
		}
	}
}

add_shortcode('dwsearch', 'get_search_form');

function doctype_opengraph($output) {
    return $output . '
    xmlns:og="http://opengraphprotocol.org/schema/"
    xmlns:fb="http://www.facebook.com/2008/fbml"';
}
add_filter('language_attributes', 'doctype_opengraph');

function dw_opengraph() {
  global $post;
  if (is_single()) {
    if (has_post_thumbnail($post->ID)) {
      $img_src = wp_get_attachment_image_src(get_post_thumbnail_id( $post->ID ), 'full'); $img_src = $img_src[0];
    } elseif ( metadata_exists( 'post', get_the_ID(), 'featured_image_url' ) ){
      $img_src = get_post_meta( get_the_ID(), 'featured_image_url', true );
    } else {
      $img_src = get_stylesheet_directory_uri() . '/img/opengraph_image.jpg';
    }
    if($excerpt = $post->post_excerpt) {
      $excerpt = strip_tags($post->post_excerpt);
      $excerpt = str_replace("", "'", $excerpt);
    } else {
      $excerpt = get_bloginfo('description');
    }
?>
  <meta property="og:title" content="<?php echo the_title(); ?>"/>
  <meta property="og:description" content="<?php echo $excerpt; ?>"/>
  <meta property="og:type" content="article"/>
  <meta property="og:url" content="<?php echo the_permalink(); ?>"/>
  <meta property="og:site_name" content="<?php echo get_bloginfo(); ?>"/>
  <meta property="og:image" content="<?php echo $img_src; ?>"/>
  <meta property="fb:app_id" content="203136806559589" />
  <meta name="twitter:site" content="@windhamdavid">
  <meta name="twitter:creator" content="@windhamdavid">
  <meta name="twitter:title" content="<?php echo the_title(); ?>">
  <meta name="twitter:description" content="<?php echo $excerpt; ?>">
  <meta name="twitter:image" content="<?php echo $img_src; ?>">
<?php
    } else {
      return;
    }
	 $content = do_shortcode( apply_filters( 'the_content', $post->post_content ) );
	 $media_url = get_post_meta( get_the_ID(), 'media', true );
	 $media = get_media_embedded_in_content( $content );
	 if( !empty($media) ) {
	         $video_url = $media[0];
	?>
	<meta property="og:video" content="<?php echo $media_url; ?>" />
	<meta property="og:video:secure_url" content="<?php echo $media_url; ?>" />
	<meta property="og:video:width" content="1280" />
	<meta property="og:video:height" content="720" />
	<meta property="og:video:type" content="video/mp4" />
	<meta name="twitter:card" content="player">
	<meta name="twitter:player" content="<?php echo get_permalink();?>container/" />
	<meta name="twitter:player:width" content="1280" />
	<meta name="twitter:player:height" content="720" />
	<meta name="twitter:player:stream" content="<?php echo $media_url; ?>" />
	<meta name="twitter:player:stream:content_type" content="video/mp4" />
<?php
    } else {
?>
  <meta name="twitter:card" content="summary_large_image">
<?php
    }
}
add_action('wp_head', 'dw_opengraph', 5);


function dw_read_container_endpoint(){
	add_rewrite_endpoint( 'container', EP_PERMALINK);
}
add_action( 'init', 'dw_read_container_endpoint' );

function dw_read_container_template( $template = '' ) {
    global $wp_query;
    if( ! array_key_exists( 'container', $wp_query->query_vars ) ) return $template;
    $template = locate_template( 'single-container.php' );
    return $template;
}
add_filter( 'single_template', 'dw_read_container_template' );

function dw_video_embed( $attr, $content='' ) {
  if ( ! isset( $attr['poster'] ) && has_post_thumbnail() ) {
	$poster = get_post_meta( get_the_ID(), 'media-poster', true );
    $attr['poster'] = $poster;
  }
  return wp_video_shortcode( $attr, $content );
}
add_shortcode( 'video', 'dw_video_embed' );


?>