manager->get_control( $setting->id )->choices; // If the input is a valid key, return it; otherwise, return the default. return ( array_key_exists( $input, $choices ) ? $input : $setting->default ); } /** * Checkbox sanitization callback. * * Sanitization callback for 'checkbox' type controls. This callback sanitizes `$checked` * as a boolean value, either TRUE or FALSE. * * @param bool $checked Whether the checkbox is checked. * @return bool Whether the checkbox is checked. * @since 1.0.0 */ function basepress_sanitize_checkbox( $checked ) { return ( ( isset( $checked ) && true == $checked ) ? true : false ); } /** * Adjust a hex color brightness * Allows us to create hover styles for custom link colors * * @author WooTheme * @link https://github.com/woocommerce/storefront * @param strong $hex hex color e.g. #111111. * @param integer $steps factor by which to brighten/darken ranging from -255 (darken) to 255 (brighten). * @return string brightened/darkened hex color * @since 1.0.0 */ function basepress_adjust_color_brightness( $hex, $steps ) { // Steps should be between -255 and 255. Negative = darker, positive = lighter. $steps = max( -255, min( 255, $steps ) ); // Format the hex color string. $hex = str_replace( '#', '', $hex ); if ( 3 == strlen( $hex ) ) { $hex = str_repeat( substr( $hex, 0, 1 ), 2 ) . str_repeat( substr( $hex, 1, 1 ), 2 ) . str_repeat( substr( $hex, 2, 1 ), 2 ); } // Get decimal values. $r = hexdec( substr( $hex, 0, 2 ) ); $g = hexdec( substr( $hex, 2, 2 ) ); $b = hexdec( substr( $hex, 4, 2 ) ); // Adjust number of steps and keep it inside 0 to 255. $r = max( 0, min( 255, $r + $steps ) ); $g = max( 0, min( 255, $g + $steps ) ); $b = max( 0, min( 255, $b + $steps ) ); $r_hex = str_pad( dechex( $r ), 2, '0', STR_PAD_LEFT ); $g_hex = str_pad( dechex( $g ), 2, '0', STR_PAD_LEFT ); $b_hex = str_pad( dechex( $b ), 2, '0', STR_PAD_LEFT ); return '#' . $r_hex . $g_hex . $b_hex; }