inc/customizer/colors.php
public function sanitize_color_scheme( $scheme ) {

		return ( $this->color_scheme_exists( $scheme ) && $this->is_valid_color_scheme_array( $this->color_schemes[ $scheme ] ) ) ? $scheme : 'default';

	}
public function sanitize_color_scheme( $scheme ) {

		return ( $this->color_scheme_exists( $scheme ) && $this->is_valid_color_scheme_array( $this->color_schemes[ $scheme ] ) ) ? $scheme : 'default';

	}
public function sanitize_color_scheme ( $ scheme ) { return ( $ this -> color_scheme_exists ( $ scheme ) && $ this -> is_valid_color_scheme_array ( $ this -> color_schemes [ $ scheme ] ) ) ? $ scheme : 'default' ; }
Sanitize a color scheme by ensuring it exists and is valid.

@since 1.0.0

@param  string $scheme

@return string
Sanitize a color scheme by ensuring it exists and is valid .