Best Of Snippets Collection – 2

How To Create Custom Terms Admin Column In WordPress

Using the following snippet, you will be able to create custom terms admin column in WordPress.

// for pages
    add_filter('manage_pages_columns', 'term_columns_id', 5);
    add_action('manage_pages_custom_column', 'term_custom_id_columns', 5, 2);
    // for posts
    add_filter('manage_posts_columns', 'term_columns_id', 5);
    add_action('manage_posts_custom_column', 'term_custom_id_columns', 5, 2);
function term_columns_id($defaults){
    $defaults['wps_post_type'] = __('Term');
    return $defaults;
}
function term_custom_id_columns($column_name, $id){
        if($column_name === 'wps_post_type'){
        echo the_terms( $id, 'TERM_NAME', '', ', ' );
       }
}

// for pages

add_filter('manage_pages_columns', 'term_columns_id', 5);

add_action('manage_pages_custom_column', 'term_custom_id_columns', 5, 2);

// for posts

add_filter('manage_posts_columns', 'term_columns_id', 5);

add_action('manage_posts_custom_column', 'term_custom_id_columns', 5, 2);

function term_columns_id($defaults){

$defaults['wps_post_type'] = __('Term');

return $defaults;

}

function term_custom_id_columns($column_name, $id){

if($column_name === 'wps_post_type'){

echo the_terms( $id, 'TERM_NAME', '', ', ' );

}

Snippet Source/Credit: WP-Snipp

How To Block Admin For All Users In WordPress

Using the following snippet you will be able to block admin for all users in WordPress.

add_action( 'init', 'blockusers_wps_init' );
    function blockusers_wps_init() {
            if ( is_admin() && ! current_user_can( 'administrator' ) ) {
                    wp_redirect( home_url() );
                    exit;
            }
    }

add_action( 'init', 'blockusers_wps_init' );

function blockusers_wps_init() {

if ( is_admin() && ! current_user_can( 'administrator' ) ) {

wp_redirect( home_url() );

exit;

}

Snippet Source/Credit: WPSnipp

How To Delete Links In Comments In WordPress

Using the following snippet, you will be able to delete links in comments in WordPress.

function delete_comment_link($id) {
    if (current_user_can('edit_post')) {
        echo '| <a href="'.get_bloginfo('wpurl').'/wp-admin/comment.php?action=cdc&c='.$id.'">borrar</a> ';
        echo '| <a href="'.get_bloginfo('wpurl').'/wp-admin/comment.php?action=cdc&dt=spam&c='.$id.'">spam</a>';
    }
}

function delete_comment_link($id) {

if (current_user_can('edit_post')) {

echo '| <a href="'.get_bloginfo('wpurl').'/wp-admin/comment.php?action=cdc&c='.$id.'">borrar</a> ';

echo '| <a href="'.get_bloginfo('wpurl').'/wp-admin/comment.php?action=cdc&dt=spam&c='.$id.'">spam</a>';

}

Snippet Source/Credit: Snipplr

How To Display Posts In Random Order In WordPress

Using the following snippet, you will be able to display posts in random order in WordPress.

session_start();
add_filter( 'posts_orderby', 'randomise_with_pagination' );
function randomise_with_pagination( $orderby ) {
        if( is_front_page() ) {
                // Reset seed on load of initial archive page
                if( ! get_query_var( 'paged' ) || get_query_var( 'paged' ) == 0 || get_query_var( 'paged' ) == 1 ) {
                        if( isset( $_SESSION['seed'] ) ) {
                                unset( $_SESSION['seed'] );
                        }
                }
                // Get seed from session variable if it exists
                $seed = false;
                if( isset( $_SESSION['seed'] ) ) {
                        $seed = $_SESSION['seed'];
                }
                // Set new seed if none exists
                if ( ! $seed ) {
                        $seed = rand();
                        $_SESSION['seed'] = $seed;
                }
                // Update ORDER BY clause to use seed
                $orderby = 'RAND(' . $seed . ')';
        }
        return $orderby;
}

session_start();

add_filter( 'posts_orderby', 'randomise_with_pagination' );

function randomise_with_pagination( $orderby ) {

if( is_front_page() ) {

// Reset seed on load of initial archive page

if( ! get_query_var( 'paged' ) || get_query_var( 'paged' ) == 0 || get_query_var( 'paged' ) == 1 ) {

if( isset( $_SESSION['seed'] ) ) {

unset( $_SESSION['seed'] );

}

// Get seed from session variable if it exists

$seed = false;

if( isset( $_SESSION['seed'] ) ) {

$seed = $_SESSION['seed'];

}

// Set new seed if none exists

if ( ! $seed ) {

$seed = rand();

$_SESSION['seed'] = $seed;

}

// Update ORDER BY clause to use seed

$orderby = 'RAND(' . $seed . ')';

}

return $orderby;

}