Enable widgets for editor role

$role_object = get_role( 'editor' );

  //print_r($role_objec);

  // add $cap capability to this role object

  $role_object->add_cap( 'edit_theme_options' );
function custom_admin_menu() {
 $user = new WP_User(get_current_user_id()); 

  if (!empty( $user->roles) && is_array($user->roles)) {

  foreach ($user->roles as $role)

  $role = $role;

  }
 if($role == "editor") { 

  remove_submenu_page( 'themes.php', 'themes.php' );

  remove_submenu_page( 'themes.php', 'nav-menus.php' );

  remove_submenu_page( 'themes.php', 'theme_options' );

  remove_submenu_page( 'themes.php', 'custom-header' ); 

  } 

  }
add_action('admin_menu', 'custom_admin_menu', 11);

WordPress pagination without plugins

global $wp_query; 

$total_pages = $wp_query->max_num_pages; 

if ($total_pages > 1){ 

$current_page = max(1, get_query_var('paged')); 

echo '<div class="page_nav">'; 

echo paginate_links(array( 

'base' => get_pagenum_link(1) . '%_%', 

'format' => 'page/%#%', 

'current' => $current_page, 

'total' => $total_pages, 

'prev_text' => 'Prev', 

'next_text' => 'Next' 

)); 

echo '</div>'; 

}

Facebook open graph snippet to set default image

function diww_facebook_image() {
                echo '<meta property="fb:admins" content="ADMIN_ID" />';
                echo '<meta property="og:title" content="' . get_the_title() . '" />';
                echo '<meta property="og:site_name" content="' . get_bloginfo('name') . '" />';
        global $post;
        if ( is_singular() ) { // only if a single post or page
                echo '<meta property="og:type" content="article" />';
                echo '<meta property="og:url" content="' . get_permalink() . '" />';
        if (has_post_thumbnail( $post->ID )) { // use featured image if there is one
                $feat_image = wp_get_attachment_image_src( get_post_thumbnail_id( $post->ID ), 'large' );
                echo '<meta property="og:image" content="' . esc_attr( $feat_image[0] ) . '" />';
         }else{ // use site logo in case no featured image
                echo '<meta property="og:image" content="http://yourdomain.com/logo.png" />';
         }
        }
        if ( is_home() ) { // for homepage only
                echo '<meta property="og:type" content="website" />';
                echo '<meta property="og:url" content="' . get_bloginfo('url') . '" />';
                echo '<meta property="og:image" content="http://yourdomain.com/logo.png" />';
        }
}
add_action( 'wp_head', 'diww_facebook_image' );

use the get_bookmarks() method

<?php $links = get_bookmarks( array(

'orderby' => 'link_id',

'order' => 'ASC',

));

//print_r($links);

// Loop through each bookmark and display the formatted output

foreach ( $links as $link ) {

echo '<li>';

echo '<strong>'.$link->link_name.'</strong>';

echo '<br />';

echo '<a href="'.$link->link_url.'" target="_blank">';

echo $link->link_url.'</a>';

echo '<br />';

echo $link->link_description;

echo '</li>';

} ?>

display all Authors in an unordered list

$args = array(
 'blog_id' => $GLOBALS['blog_id'],
 'role' => 'Author',
 'orderby' => 'nicename'
 ); 

  $blogusers = get_users($args);
//  print_r($blogusers);
    foreach ($blogusers as $user) {
    echo '' . $user->user_email . '';
    }
    

meta_query with comparison

Display posts of type 'my_custom_post_type', ordered by 'training_date', and filtered

  <?php
$todaysDate = date( 'd-m-Y' ); 
 
 $args = array(

 'post_type' => 'training',

 'meta_key' => 'training_date',

  'orderby' => 'training_date',

   'order' => 'ASC',

    'meta_query' => array(

    array(

    'key' => 'training_date',

    'value' => $todaysDate,

    'compare' => '>=',

    ))

    
 );
    

    $query = new WP_Query($args);

How to hide Personal Options in WordPress’ User Profile

Adding this code to the functions.php of your wordpress theme

function hide_personal_options() {

?>

<script type="text/javascript">

jQuery(document).ready(function(){

jQuery("#your-profile .form-table:first, #your-profile h3:first").remove();

});

</script>

<?php

}

add_action( 'personal_options', 'hide_personal_options');