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add_action('admin_head', 'so_excerpt_textarea_height');
function so_excerpt_textarea_height() {
    echo'
    <style type="text/css">
        #excerpt{ height:500px; } 
    </style>
    ';
}

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//Remove URL field from comment form
function so_remove_comment_fields($fields) {
    unset($fields['url']);
    return $fields;
}
add_filter('comment_form_default_fields','so_remove_comment_fields');

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// ADD SEARCH BOX TO NAVIGATION
function so_add_search_box($items, $args) {
ob_start();
get_search_form();
$searchform = ob_get_contents();
ob_end_clean();
$items .= '<li class="nav_search">' . $searchform . '</li>';
return $items;
}
add_filter('wp_nav_menu_items','so_add_search_box', 10, 2);

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// Enable for widget title
add_filter('widget_title', 'do_shortcode');

// Enable for widget text
add_filter('widget_text', 'do_shortcode');

// don't auto-wrap shortcode that appears on a line of it's own
add_filter( 'widget_text', 'shortcode_unautop');

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//disable auto updating of WP since 3.7

//Disables all core updates:
define( 'WP_AUTO_UPDATE_CORE', false );
//Enables all core updates, including minor and major:
define( 'WP_AUTO_UPDATE_CORE', true );
//Enables core updates for minor releases (default):
define( 'WP_AUTO_UPDATE_CORE', 'minor' );

//only disable updating of the wp.content folder, i.e. no themes and default plugins like akismet and hello dolly

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// show post thumbnails in feeds  
function diw_post_thumbnail_feeds($content) 
{
  global $post;
  if(has_post_thumbnail($post->ID)) 
  {
    $content = '<div>' . get_the_post_thumbnail($post->ID) . '</div>' . $content;
  }
  return $content;
}

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<?php  //just need to research the type for each ending
    function addUploadMimes($mimes) {  
    $mimes = array_merge($mimes, array(  
        'pdf|xls|tmPreferences' => 'application/octet-stream'  
    ));  
    return $mimes;  
   }  
?>  
add_filter('upload_mimes', 'addUploadMimes');  

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add_filter('excerpt_length', 'my_excerpt_length');  
function my_excerpt_length($length) {  
    if(in_category(14)) {  
        return 13;  
    } else {  
    return 60;  
    }  
}

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<?php $loop = new WP_Query( array( 'post_type' => 'movies','actors' => 'peter-smith', 'actress' => 'jane-smith', 'posts_per_page' => 10 ) ); ?>
<?php while ( $loop->have_posts() ) : $loop->the_post(); ?>

<?php the_title( '<h2 class="entry-title"><a href="' . get_permalink() . '" title="' . the_title_attribute( 'echo=0' ) . '" rel="bookmark">', '</a></h2>' ); ?>

<h5>image</h5><a href="<?php the_permalink(); ?>"><img src="<?php the_field('image'); ?>" alt="text-here" /></a>
<?php the_excerpt(); ?>
<?php endwhile; ?>

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function wpbeginner_comment_text_after($arg) {
    $arg['comment_notes_after'] = "We are glad you have chosen to leave a comment. Please keep in mind that comments are moderated according to our <a href='http://www.example.com/comment-policy-page/'>comment policy</a>.";
    return $arg;
}

add_filter('comment_form_defaults', 'wpbeginner_comment_text_after');