The Snippets Collection – 3

How To Load All Posts From The Current Week

Using the following snippet, you will be able to load all posts from the current week.

// display posts as desired
query_args = array(
	'w'    => date( 'W' ),
	'year' => date( 'Y' ),
);
$posts = get_posts( $query_args );

// display posts as desired

query_args = array(

'w' => date( 'W' ),

'year' => date( 'Y' ),

);

$posts = get_posts( $query_args );

Source Snippet/Code: Christian Brückner

How To Remove Widgets From WordPress Dashboard

Using the following snippet, you will be able to remove widgets from WordPress dashboard.

//Remove unwanted widgets from Dashboard
function remove_dashboard_widgets() {
	global$wp_meta_boxes; 
	unset($wp_meta_boxes['dashboard']['normal']['core']['dashboard_plugins']);
	unset($wp_meta_boxes['dashboard']['side']['core']['dashboard_secondary']);
}
add_action('wp_dashboard_setup', 'remove_dashboard_widgets');

//Remove unwanted widgets from Dashboard

function remove_dashboard_widgets() {

global$wp_meta_boxes;

unset($wp_meta_boxes['dashboard']['normal']['core']['dashboard_plugins']);

unset($wp_meta_boxes['dashboard']['side']['core']['dashboard_secondary']);

}

add_action('wp_dashboard_setup', 'remove_dashboard_widgets');

Snippet Source/Credit: WP Guru

How To Add A Custom Message To The Editor Pane

Using the following snippet, you will be able to add a custom message to the editor pane.

function wptutsplus_text_after_title( $post_type ) { ?>
    <div class="after-title-help postbox">
        <h3>Using this screen</h3>
        <div class="inside">
            <p>Use this screen to add new articles or edit existing ones. Make sure you click 'Publish' to publish a new article once you've added it, or 'Update' to save any changes.</p>
        </div><!-- .inside -->
    </div><!-- .postbox -->
<?php }
add_action( 'edit_form_after_title', 'wptutsplus_text_after_title' );

function wptutsplus_text_after_title( $post_type ) { ?>

<h3>Using this screen</h3>

<p>Use this screen to add new articles or edit existing ones. Make sure you click 'Publish' to publish a new article once you've added it, or 'Update' to save any changes.</p>

</div>

</div>

<?php }

add_action( 'edit_form_after_title', 'wptutsplus_text_after_title' );

Snippet Source/Credit: WP Tuts

How To Limit Posts Per Page On Search

The following snippet will let you limit posts per page on search.

function limit_posts_per_search_page() {
	if ( is_search() )
		set_query_var('posts_per_archive_page', 20); 
}

add_filter('pre_get_posts', 'limit_posts_per_search_page');

function limit_posts_per_search_page() {

if ( is_search() )

set_query_var('posts_per_archive_page', 20);

}

add_filter('pre_get_posts', 'limit_posts_per_search_page');

Snippet Source/Credit: WordPress.org

How To Log-in A WordPress User Programmatically

The following snippet will let you log-in a WordPress user programmatically.

function auto_login( $user ) {
    $username = $user;
    if ( !is_user_logged_in() ) {
        $user = get_userdatabylogin( $username );
        $user_id = $user->ID;
        wp_set_current_user( $user_id, $user_login );
        wp_set_auth_cookie( $user_id );
        do_action( 'wp_login', $user_login );
    }     
}

function auto_login( $user ) {

$username = $user;

if ( !is_user_logged_in() ) {

$user = get_userdatabylogin( $username );

$user_id = $user->ID;

wp_set_current_user( $user_id, $user_login );

wp_set_auth_cookie( $user_id );

do_action( 'wp_login', $user_login );

}

Once done, now to log-in a user, just simply do the following:

auto_login( 'admin' )

1	auto_login( 'admin' )

Snippet Source/Credit: emoticode