/**
* Converts a decimal to a fraction that can be returned as a ratio
*
* @param decimal i.e. 1.75
*/
public static function convert_decimalto_ratio($decimal)
{
$decimal = strval($decimal);
$decimal_array = explode('.', $decimal);
// if a whole number
if (count($decimal_array) !== 2) {
return $decimal . ':1';
} else {
$left_decimal_part = $decimal_array[0];
// 1
$right_decimal_part = $decimal_array[1];
// 75
$numerator = $left_decimal_part . $right_decimal_part;
// 175
$denominator = pow(10, strlen($right_decimal_part));
// 100
$factor = HA_Common::highest_common_factor($numerator, $denominator);
// 25
$denominator /= $factor;
$numerator /= $factor;
return $numerator . ':' . $denominator;
}
}
