Options Framework theme customizer

gistfile1.php

/**
 * Front End Customizer
 *
 * WordPress 3.4 Required
 *
 * Search and replace theme_slug with your own theme slug.
 *
 */
add_action( 'customize_register', 'theme_slug_customizer_register' );

function theme_slug_customizer_register( $wp_customize ) {
    $customizer_array = array(
        'basic' => array(
            'name' => __( 'Basic', 'theme_slug'),
            'priority' => 100,
            'settings' => array(
                'setting_1',
                'setting_2',
            )
        ),
        'advanced' => array(
            'name' => __( 'Advanced', 'theme_slug'),
            'priority' => 101,
            'settings' => array(
                'setting_3',
                'setting_4',
            )
        )
    );

    /**
     * This is optional, but if you want to reuse some of the defaults
     * or values you already have built in the options panel, you
     * can load them into $options for easy reference
     */

    $options = optionsframework_options();

    foreach ( $customizer_array as $name => $val ) {
        $i = 0;
        $wp_customize->add_section( "theme_slug_$name", array(
            'title' => $val['name'],
            'priority' => $val['priority']
        ) );
        foreach ( $val['settings'] as $setting ) {
            $wp_customize->add_setting( "theme_slug[$setting]", array(
                'default' => $options[$setting]['std'],
                'type' => 'option'
            ) );
            if ( $options[$setting]['type'] == 'radio' || $options[$setting]['type'] == 'select' ) {
                $wp_customize->add_control( "theme_slug_$setting", array(
                    'label' => $options[$setting]['name'],
                    'section' => "theme_slug_$name",
                    'settings' => "theme_slug[$setting]",
                    'type' => $options[$setting]['type'],
                    'choices' => $options[$setting]['options'],
                    'priority' => $i
                ) );
            } elseif ( $options[$setting]['type'] == 'text' || $options[$setting]['type'] == 'checkbox' ) {
                $wp_customize->add_control( "theme_slug_$setting", array(
                    'label' => $options[$setting]['name'],
                    'section' => "theme_slug_$name",
                    'settings' => "theme_slug[$setting]",
                    'type' => $options[$setting]['type'],
                    'priority' => $i
                ) );
            } elseif ( $options[$setting]['type'] == 'color' ) {
                $wp_customize->add_control( new WP_Customize_Color_Control( $wp_customize, "theme_slug_$setting", array(
                            'label' => $options[$setting]['name'],
                            'section' => "theme_slug_$name",
                            'settings' => "theme_slug[$setting]",
                            'priority' => $i
                                ) ) );
            } elseif ( $options[$setting]['type'] == 'upload' ) {
                $wp_customize->add_control( new WP_Customize_Image_Control( $wp_customize, "theme_slug_$setting", array(
                            'label' => $options[$setting]['name'],
                            'section' => "theme_slug_$name",
                            'settings' => "theme_slug[$setting]",
                            'priority' => $i
                                ) ) );
            }
            $i++;
        }
    }
}