The BestOf WordPress Snippets Part – 2

How To Remove Existing Information From WordPress

The following snippet will let you remove existing information from WordPress.

function add_myExtra_ContactMethod( $contactmethods ) {
// Add Twitter
$contactmethods['twitter'] = 'Twitter';
// Add Facebook
$contactmethods['facebook'] = 'Facebook'; 
//Remove Jabber / Google Talk
unset($contactmethods['jabber']);
return $contactmethods;
}
 add_filter('user_contactmethods','add_myExtra_ContactMethod',10,1);

function add_myExtra_ContactMethod( $contactmethods ) {

// Add Twitter

$contactmethods['twitter'] = 'Twitter';

// Add Facebook

$contactmethods['facebook'] = 'Facebook';

//Remove Jabber / Google Talk

unset($contactmethods['jabber']);

return $contactmethods;

}

add_filter('user_contactmethods','add_myExtra_ContactMethod',10,1);

Snippet Source/Credit: readers-cafe.net

How To Remove News Feed In WordPress Dashboard

The following snippet will let you remove news feed from your WordPress dashboard.

add_action('wp_dashboard_setup', 'my_dashboard_widgets');
function my_dashboard_widgets() {
     global $wp_meta_boxes;
     // remove unnecessary widgets
     // var_dump( $wp_meta_boxes['dashboard'] ); // use to get all the widget IDs
     unset(
          $wp_meta_boxes['dashboard']['normal']['core']['dashboard_plugins'],
          $wp_meta_boxes['dashboard']['side']['core']['dashboard_secondary'],
          $wp_meta_boxes['dashboard']['side']['core']['dashboard_primary']
     );
     // add a custom dashboard widget
     wp_add_dashboard_widget( 'dashboard_custom_feed', 'News from 10up', 'dashboard_custom_feed_output' ); //add new RSS feed output
}
function dashboard_custom_feed_output() {
     echo '<div class="rss-widget">';
     wp_widget_rss_output(array(
          'url' => 'http://www.get10up.com/feed',
          'title' => 'What\'s up at 10up',
          'items' => 2,
          'show_summary' => 1,
          'show_author' => 0,
          'show_date' => 1,
     ));
     echo "</div>";
}

add_action('wp_dashboard_setup', 'my_dashboard_widgets');

function my_dashboard_widgets() {

global $wp_meta_boxes;

// remove unnecessary widgets

// var_dump( $wp_meta_boxes['dashboard'] ); // use to get all the widget IDs

unset(

$wp_meta_boxes['dashboard']['normal']['core']['dashboard_plugins'],

$wp_meta_boxes['dashboard']['side']['core']['dashboard_secondary'],

$wp_meta_boxes['dashboard']['side']['core']['dashboard_primary']

);

// add a custom dashboard widget

wp_add_dashboard_widget( 'dashboard_custom_feed', 'News from 10up', 'dashboard_custom_feed_output' ); //add new RSS feed output

}

function dashboard_custom_feed_output() {

echo '<div class="rss-widget">';

wp_widget_rss_output(array(

'url' => 'http://www.get10up.com/feed',

'title' => 'What\'s up at 10up',

'items' => 2,

'show_summary' => 1,

'show_author' => 0,

'show_date' => 1,

));

echo "</div>";

}

Snippet Source/Credit: Smashing Magazine

How To Remove WordPress Admin Menus

The following snippet below will let you remove WordPress admin menus.

function remove_menu_items() {
	global $menu;
	$restricted = array(
		__('Links'),
		__('Comments'),
		__('Media'),
		__('Plugins'),
		__('Tools'),
		__('Users')
	);
	end ($menu);
	while (prev($menu)) {
		$value = explode(' ',$menu[key($menu)][0]);
		if(in_array($value[0] != NULL?$value[0]:"" , $restricted)){
			unset($menu[key($menu)]);
		}
	}
}
add_action('admin_menu', 'remove_menu_items');

function remove_menu_items() {

global $menu;

$restricted = array(

__('Links'),

__('Comments'),

__('Media'),

__('Plugins'),

__('Tools'),

__('Users')

);

end ($menu);

while (prev($menu)) {

$value = explode(' ',$menu[key($menu)][0]);

if(in_array($value[0] != NULL?$value[0]:"" , $restricted)){

unset($menu[key($menu)]);

}

add_action('admin_menu', 'remove_menu_items');

Snippet Source/Credit: Snipplr

How To Replace The WordPress Generator

The following snippet will let you replace the WordPress generator.

// Remove the WordPress Generator
function remove_generators() { return ''; }
add_filter( 'the_generator', 'remove_generators' ); 
// Replace the WordPress Generator
function change_generators() { return '<meta name="generator" content="WordPress" />'; }
add_filter( 'the_generator', 'change_generators' );

// Remove the WordPress Generator

function remove_generators() { return ''; }

add_filter( 'the_generator', 'remove_generators' );

// Replace the WordPress Generator

function change_generators() { return '<meta name="generator" content="WordPress" />'; }

add_filter( 'the_generator', 'change_generators' );

Snippet Source/Credit: DevZone.fr

How To Reset A Query In WordPress

The following snippet will let you reset a query in WordPress.

// esempio in una ipotetica index.php
// a fine pagina, dopo aver eseguito una o più
// query_posts() personali
<?php wp_reset_query(); get_sidebar(); get_footer(); ?>

// esempio in una ipotetica index.php

// a fine pagina, dopo aver eseguito una o più

// query_posts() personali

<?php wp_reset_query(); get_sidebar(); get_footer(); ?>

Snippet Source/Credit: Undolog.com