Common WordPress custom functions

WordPress Custom Function Library

/* Limit Your Website Excerpt */

function word_limit($string, $max_words){

$post_words = explode(' ', $string);

$count = count($post_words);

$post_words = implode(' ', array_slice($post_words, 0, $max_words));

if($count > $max_words):

return $post_words . '...';

else:

return $post_words;

endif;

}

// CUSTOM ADMIN MENU LINK FOR ALL SETTINGS

function all_settings_link() {
add_options_page(__('All Settings'), __('All Settings'), 'administrator', 'options.php');
}

add_action('admin_menu', 'all_settings_link');

/* Only See Own Attachments */

add_action('pre_get_posts','users_attachments');

function users_attachments( $wp_query_obj ) {

global $current_user, $pagenow;

if( !is_a( $current_user, 'WP_User') )
return;

if( 'upload.php' != $pagenow )
return;

if( !current_user_can('delete_pages') )
$wp_query_obj->set('author', $current_user->id );
return;

}

add_action( 'login_head', 'login_logo' );

/**
* Replaces the login header logo
*/

function login_logo() {

$image_attributes = wp_get_attachment_image_src( 1, 'full' );
echo '<style> .login h1 a { background-image: url( ' . $image_attributes[0] . ' ) !important; }</style>';

}

add_filter( 'login_headerurl', 'login_logo_headerurl' );

/**
* Replaces the login header logo URL
*
* @param $url
*/

function login_logo_headerurl( $url ) {
$url = home_url( '/' );
return $url;
}

add_filter( 'login_headertitle', 'login_logo_headertitle' );

/**
* Replaces the login header logo title
*
* @param $title
*/

function login_logo_headertitle( $title ) {
$title = get_bloginfo( 'name' );
return $title;
}

// REMOVE POST META BOXES

function remove_metaboxes() {

/* Posts */

remove_meta_box( 'authordiv','post','normal' ); // Author Metabox
remove_meta_box( 'commentstatusdiv','post','normal' ); // Comments Status Metabox
remove_meta_box( 'commentsdiv','post','normal' ); // Comments Metabox
remove_meta_box( 'postcustom','post','normal' ); // Custom Fields Metabox
remove_meta_box( 'postexcerpt','post','normal' ); // Excerpt Metabox
remove_meta_box( 'revisionsdiv','post','normal' ); // Revisions Metabox
remove_meta_box( 'slugdiv','post','normal' ); // Slug Metabox
remove_meta_box( 'trackbacksdiv','post','normal' ); // Trackback Metabox

/* Pages */

remove_meta_box( 'postcustom','page','normal' ); // Custom Fields Metabox
remove_meta_box( 'postexcerpt','page','normal' ); // Excerpt Metabox
remove_meta_box( 'commentstatusdiv','page','normal' ); // Comments Metabox
remove_meta_box( 'trackbacksdiv','page','normal' ); // Talkback Metabox
remove_meta_box( 'slugdiv','page','normal' ); // Slug Metabox
remove_meta_box( 'authordiv','page','normal' ); // Author Metabox

}

add_action('admin_menu', 'remove_metaboxes');