wp-strava/lib/WPStrava/SOMMetric.php

<?php

/**
 * SOM Metric class.
 *
 * All conversions are limited to 2 decimal places.
 */
class WPStrava_SOMMetric extends WPStrava_SOM {

	/**
	 * Change meters to kilometers.
	 *
	 * @param float $m Distance in meters.
	 * @return float Distance in kilometers.
	 */
	public function distance( $m ) {
		return number_format( $m / 1000, 2 );
	}

	/**
	 * Change kilometers to meters.
	 *
	 * @param float $dist Distance in kilometers.
	 * @return float Distance in meters.
	 */
	public function distance_inverse( $dist ) {
		return $dist * 1000;
	}

	/**
	 * Abbreviated label for this system of measure's distance - Kilometers: km
	 *
	 * @return string 'km'
	 */
	public function get_distance_label() {
		return __( 'km', 'wp-strava' );
	}

	/**
	 * Change meters per second to kilometers per hour.
	 *
	 * @param float $mps Meters per second.
	 * @return float Kilometers per hour.
	 */
	public function speed( $mps ) {
		return number_format( $mps * 3.6, 2 );
	}

	/**
	 * Abbreviated label for this system of measure's speed - Kilometers Per Hour: km/h
	 *
	 * @return string 'km/h'
	 */
	public function get_speed_label() {
		return __( 'km/h', 'wp-strava' );
	}

	/**
	 * Change meters to meters };^)
	 *
	 * @param $m Elevation in meters.
	 * @return string Elevation in meters.
	 */
	public function elevation( $m ) {
		return number_format( $m, 2 );
	}

	/**
	 * Abbreviated label for this system of measure's elevation - Meters: meters
	 *
	 * @return string 'meters'
	 */
	public function get_elevation_label() {
		return __( 'meters', 'wp-strava' );
	}
}