Get custom options from WordPress database

functions.php

/**
 * Create helper function to easily get options from database
 *
 * @since Child 1.0
 */
function child_get_option( $key, $setting = null ) {
  $setting = $setting ? $setting : 'child_options'; // this must match your custom options in the database.
	$options = get_option( $setting );
		return is_array( $options[$key] ) ? stripslashes_deep( $options[$key] ) : stripslashes( wp_kses_decode_entities( $options[$key] ) );
}

// Usage

$my_option = child_get_option( 'some_option' );