Online PHP editor | perf for NeH44

@ 2013-10-17T04:03:05Z

<?php
<?php defined('C5_EXECUTE') or die('Access Denied');

/**
 * Immutable class for handling numbers with precision.
 *
 * Never change the $number or the $precision after the creation of the object.
 */
class DecimalNumber {

  private $precision;
  private $number;

  /**
   * Get an instance given a string and a precision
   * @param  string $string    The decimal number in string form
   * @param  int    $precision The precision of the number
   * @return DecimalNumber     Return new instance
   */
  public static function createWithString($string, $precision = 4) {
    $me = get_called_class();
    $number = new $me;

    $number->precision = $precision;
    $number->number = bcadd($string, '0', $precision);

    return $number;
  }

  /**
   * Perform an addition operation
   * @param  DecimalNumber $number the number to add
   * @return DecimalNumber         Return the sum
   */
  public function add(DecimalNumber $number) {
    return DecimalNumber::decimalNumberWithString(bcadd($this->number, $number, $this->precision));
  }

  /**
   * Automagically convert to a string
   * @return string returns a string containing the value of this DecimalNumber
   */
  public function __toString() {
    return $this->number;
  }

}

$d = DecimalNumber::createWithString('.7');
echo $d->add(DecimalNumber::createWithString('.1');

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

Version	System time (s)	User time (s)	Memory (MiB)
5.4.21	0.009	0.051	12.38
5.4.20	0.011	0.043	12.37
5.4.19	0.010	0.043	12.37
5.4.18	0.012	0.041	12.37
5.4.17	0.012	0.044	12.38
5.4.16	0.010	0.043	12.37
5.4.15	0.012	0.045	12.37
5.4.14	0.012	0.045	12.06
5.4.13	0.013	0.056	12.04
5.4.12	0.012	0.046	12.01
5.4.11	0.014	0.037	12.01
5.4.10	0.012	0.041	12.00
5.4.9	0.011	0.041	12.00
5.4.8	0.018	0.056	12.00
5.4.7	0.014	0.046	12.00
5.4.6	0.014	0.043	12.00
5.4.5	0.010	0.047	12.00
5.4.4	0.012	0.054	11.99
5.4.3	0.013	0.043	11.98
5.4.2	0.014	0.054	11.98
5.4.1	0.014	0.043	11.98
5.4.0	0.017	0.068	11.48
5.3.27	0.014	0.064	12.72
5.3.26	0.015	0.058	12.72
5.3.25	0.015	0.047	12.72
5.3.24	0.017	0.054	12.72
5.3.23	0.013	0.043	12.71
5.3.22	0.013	0.041	12.68
5.3.21	0.015	0.048	12.68
5.3.20	0.011	0.049	12.68
5.3.19	0.014	0.046	12.68
5.3.18	0.016	0.043	12.67
5.3.17	0.012	0.043	12.67
5.3.16	0.020	0.049	12.67
5.3.15	0.011	0.049	12.67
5.3.14	0.014	0.052	12.66
5.3.13	0.014	0.049	12.65
5.3.12	0.010	0.050	12.66
5.3.11	0.013	0.052	12.66
5.3.10	0.012	0.047	12.12
5.3.9	0.013	0.046	12.08
5.3.8	0.009	0.043	12.07
5.3.7	0.011	0.042	12.07
5.3.6	0.012	0.043	12.06
5.3.5	0.010	0.042	12.00
5.3.4	0.012	0.040	12.00
5.3.3	0.013	0.036	11.94
5.3.2	0.015	0.035	11.72
5.3.1	0.008	0.041	11.69
5.3.0	0.009	0.042	11.67

preferences:dark modelive preview