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<?php

function KE_sanitize_hex_color( $hex_color, $setting ) {
	// Sanitize $input as a hex value without the hash prefix.
	$hex_color = sanitize_hex_color( $hex_color );
	
	// If $input is a valid hex value, return it; otherwise, return the default.
	return ( ! null( $hex_color ) ? $hex_color : $setting->default );
}


function KE_sanitize_choices( $input, $setting ) {
    global $wp_customize;
 
    $control = $wp_customize->get_control( $setting->id );
 
    if ( array_key_exists( $input, $control->choices ) ) {
        return $input;
    } else {
        return $setting->default;
    }
}