<?php
//Google Fonts
add_action( 'customize_register', 'berkeley_customize_register_fonts' );
function berkeley_customize_register_fonts( $wp_customize ) {
    //Google Web Font Section
    $wp_customize->add_section('berkeley_typo_options',
        array(
            'title'     => __('Google Web Fonts','berkeley'),
            'priority'  => 41,
            'panel' => 'berkeley_general_settings'
        )
    );

    //Font Name Array
    $font_array = array('HIND','Khula','Open Sans','Droid Sans','Droid Serif','Roboto','Roboto Condensed','Lato','Bree Serif','Oswald','Slabo','Lora','Source Sans Pro','Arimo','Bitter','Noto Sans');
    $fonts = array_combine($font_array, $font_array);

    //Title Font Control
    $wp_customize->add_setting('berkeley_title_font',
        array(
            'default'=> 'HIND',
            'sanitize_callback' => 'berkeley_sanitize_googlefont'
        )
    );

    function berkeley_sanitize_googlefont( $input ) {
        if ( in_array($input, array('HIND','Khula','Open Sans','Droid Sans','Droid Serif','Roboto','Roboto Condensed','Lato','Bree Serif','Oswald','Slabo','Lora','Source Sans Pro','Arimo','Bitter','Noto Sans') ) )
            return $input;
        else
            return '';
    }

    $wp_customize->add_control('berkeley_title_font',
        array(
            'label' => __('Title','berkeley'),
            'settings' => 'berkeley_title_font',
            'section'  => 'berkeley_typo_options',
            'type' => 'select',
            'choices' => $fonts,
        )
    );

    //Body Font Control
    $wp_customize->add_setting('berkeley_body_font',
        array(
            'default'=> 'Open Sans',
            'sanitize_callback' => 'berkeley_sanitize_googlefont'
        )
    );

    $wp_customize->add_control('berkeley_body_font',
        array(
            'label' => __('Body','berkeley'),
            'settings' => 'berkeley_body_font',
            'section'  => 'berkeley_typo_options',
            'type' => 'select',
            'choices' => $fonts
        )
    );
}