wp_customizer.php

<?php
/**
 * Social Media Customizer
 */

add_action( "customize_register", "sparq_social_media_customizer" );

function sparq_social_media_customizer( $wp_customize ) {

	// Declare Sidebar option
	$wp_customize->add_section('sparq_social_media', array(
        'title'    => __('Social Media', 'sparq'),
        'priority' => 120,
    ));
	
	$fields	=	array(
		"sparq_meta_facebook"	=>	"https://facebook.com",
		"sparq_meta_insta"		=>	"https://instagram.com",
		"sparq_meta_twitter"	=>	"https://twitter.com",
		"sparq_meta_lkdin"		=>	"https://linkedin.com",
		"sparq_meta_vimeo"		=>	"https://vimeo.com",
		"sparq_meta_drble"		=>	"https://dribbble.com",
	);

	$labels	=	array(
		"sparq_meta_facebook"	=>	"Facebook",
		"sparq_meta_insta"		=>	"Instagram",
		"sparq_meta_twitter"	=>	"Twitter",
		"sparq_meta_lkdin"		=>	"LinkedIn",
		"sparq_meta_vimeo"		=>	"Vimeo",
		"sparq_meta_drble"		=>	"Dribbble"
	);

	foreach ( $fields as $key => $field ) {
		$wp_customize->add_setting("sparq_social_media_op[{$key}]", array(
			'default'        => $field,
			'capability'     => 'edit_theme_options',
			'type'           => 'option',
		));
		
		$wp_customize->add_control('sparq_'.$key, array(
			'label'      => __($labels[$key], 'sparq'),
			'section'    => 'sparq_social_media',
			'settings'   => "sparq_social_media_op[{$key}]",
		));
	}
}

To get the options: <?php $social_media = maybe_unserialize( get_option('sparq_social_media_op') ); ?>