Social links options page for WordPress

functions.php

// social media links settings page

function social_links_page() { ?>
	<div class="wrap">
		<h1>Social Links</h1>
		<form method="post" action="options.php">
			<?php settings_fields("section");
			do_settings_sections("social-links");      
			submit_button(); ?>
		</form>
	</div>
<?php }

function display_twitter_link() { ?>
	<input type="text" name="twitter_url" id="twitter_url" value="<?php echo get_option('twitter_url'); ?>" />
<?php }
function display_facebook_link() { ?>
	<input type="text" name="facebook_url" id="facebook_url" value="<?php echo get_option('facebook_url'); ?>" />
<?php }
function display_linkedin_link() { ?>
	<input type="text" name="linkedin_url" id="linkedin_url" value="<?php echo get_option('linkedin_url'); ?>" />
<?php }
function display_instagram_link() { ?>
	<input type="text" name="instagram_url" id="instagram_url" value="<?php echo get_option('instagram_url'); ?>" />
<?php }
function display_gplus_link() { ?>
	<input type="text" name="gplus_url" id="gplus_url" value="<?php echo get_option('gplus_url'); ?>" />
<?php }
function display_email_link() { ?>
	<input placeholder="jane@doe.com" type="text" name="email" id="email" value="<?php echo get_option('email'); ?>" />
<?php }

function display_social_link_fields() {
	add_settings_section("social-links", "", null, "social-links");
	
	add_settings_field("twitter_url", "Twitter Profile Url", "display_twitter_link", "social-links", "social-links");
    add_settings_field("facebook_url", "Facebook Profile Url", "display_facebook_link", "social-links", "social-links");
    add_settings_field("linkedin_url", "LinkedIn Profile Url", "display_linkedin_link", "social-links", "social-links");
	add_settings_field("instagram_url", "Instagram Profile Url", "display_instagram_link", "social-links", "social-links");
	add_settings_field("gplus_url", "Google+ Profile Url", "display_gplus_link", "social-links", "social-links");
	add_settings_field("email", "Email Address", "display_email_link", "social-links", "social-links");

    register_setting("section", "twitter_url");
    register_setting("section", "facebook_url");
    register_setting("section", "linkedin_url");
    register_setting("section", "instagram_url");
    register_setting("section", "gplus_url");
    register_setting("section", "email");
}
add_action("admin_init", "display_social_link_fields");

function add_social_links_page() {
	add_menu_page("Social Links", "Social Links", "manage_options", "social-links", "social_links_page", null, 99);
}
add_action("admin_menu", "add_social_links_page");