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<?php
function add_link() {
return edit_link();
}
function edit_link( $link_id = '' ) {
if (!current_user_can( 'manage_links' ))
wp_die( __( 'Cheatin’ uh?' ));
$_POST['link_url'] = wp_specialchars( $_POST['link_url'] );
$_POST['link_url'] = clean_url($_POST['link_url']);
$_POST['link_name'] = wp_specialchars( $_POST['link_name'] );
$_POST['link_image'] = wp_specialchars( $_POST['link_image'] );
$_POST['link_rss'] = clean_url($_POST['link_rss']);
if ( 'N' != $_POST['link_visible'] )
$_POST['link_visible'] = 'Y';
if ( !empty( $link_id ) ) {
$_POST['link_id'] = $link_id;
return wp_update_link( $_POST);
} else {
return wp_insert_link( $_POST);
}
}
function get_default_link_to_edit() {
if ( isset( $_GET['linkurl'] ) )
$link->link_url = clean_url( $_GET['linkurl']);
else
$link->link_url = '';
if ( isset( $_GET['name'] ) )
$link->link_name = attribute_escape( $_GET['name']);
else
$link->link_name = '';
$link->link_visible = 'Y';
return $link;
}
function wp_delete_link($link_id) {
global $wpdb;
do_action('delete_link', $link_id);
wp_delete_object_term_relationships($link_id, 'link_category');
$wpdb->query("DELETE FROM $wpdb->links WHERE link_id = '$link_id'");
do_action('deleted_link', $link_id);
return true;
}
function wp_get_link_cats($link_id = 0) {
$cats = wp_get_object_terms($link_id, 'link_category', 'fields=ids');
return array_unique($cats);
}
function get_link_to_edit( $link_id ) {
return get_bookmark( $link_id, OBJECT, 'edit' );
}
function wp_insert_link($linkdata) {
global $wpdb, $current_user;
$defaults = array('link_id' => 0, 'link_name' => '', 'link_url' => '', 'link_rating' => 0 );
$linkdata = wp_parse_args($linkdata, $defaults);
$linkdata = sanitize_bookmark($linkdata, 'db');
extract($linkdata, EXTR_SKIP);
$update = false;
if ( !empty($link_id) )
$update = true;
if ( trim( $link_name ) == '' )
return 0;
if ( trim( $link_url ) == '' )
return 0;
if ( empty($link_rating) )
$link_rating = 0;
if ( empty($link_image) )
$link_image = '';
if ( empty($link_target) )
$link_target = '';
if ( empty($link_visible) )
$link_visible = 'Y';
if ( empty($link_owner) )
$link_owner = $current_user->id;
if ( empty($link_notes) )
$link_notes = '';
if ( empty($link_description) )
$link_description = '';
if ( empty($link_rss) )
$link_rss = '';
if ( empty($link_rel) )
$link_rel = '';
// Make sure we set a valid category
if (0 == count($link_category) || !is_array($link_category)) {
$link_category = array(get_option('default_link_category'));
}
if ( $update ) {
$wpdb->query("UPDATE $wpdb->links SET link_url='$link_url',
link_name='$link_name', link_image='$link_image',
link_target='$link_target',
link_visible='$link_visible', link_description='$link_description',
link_rating='$link_rating', link_rel='$link_rel',
link_notes='$link_notes', link_rss = '$link_rss'
WHERE link_id='$link_id'");
} else {
$wpdb->query("INSERT INTO $wpdb->links (link_url, link_name, link_image, link_target, link_description, link_visible, link_owner, link_rating, link_rel, link_notes, link_rss) VALUES('$link_url','$link_name', '$link_image', '$link_target', '$link_description', '$link_visible', '$link_owner', '$link_rating', '$link_rel', '$link_notes', '$link_rss')");
$link_id = (int) $wpdb->insert_id;
}
wp_set_link_cats($link_id, $link_category);
if ( $update )
do_action('edit_link', $link_id);
else
do_action('add_link', $link_id);
return $link_id;
}
function wp_set_link_cats($link_id = 0, $link_categories = array()) {
// If $link_categories isn't already an array, make it one:
if (!is_array($link_categories) || 0 == count($link_categories))
$link_categories = array(get_option('default_link_category'));
$link_categories = array_map('intval', $link_categories);
$link_categories = array_unique($link_categories);
wp_set_object_terms($link_id, $link_categories, 'link_category');
} // wp_set_link_cats()
function wp_update_link($linkdata) {
$link_id = (int) $linkdata['link_id'];
$link = get_link($link_id, ARRAY_A);
// Escape data pulled from DB.
$link = add_magic_quotes($link);
// Passed link category list overwrites existing category list if not empty.
if ( isset($linkdata['link_category']) && is_array($linkdata['link_category'])
&& 0 != count($linkdata['link_category']) )
$link_cats = $linkdata['link_category'];
else
$link_cats = $link['link_category'];
// Merge old and new fields with new fields overwriting old ones.
$linkdata = array_merge($link, $linkdata);
$linkdata['link_category'] = $link_cats;
return wp_insert_link($linkdata);
}
?>
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