Online PHP editor | output for kmXes

@ 2013-10-17T04:05:56Z

<?php

/**
 * 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    $precision The precision of the number
   * @return DecimalNumber     Return new instance
   */
  public static function string($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 sum(DecimalNumber $number) {
    return DecimalNumber::string(bcadd($this->number, $number, $this->precision));
  }

  public function floored() {
    return bcadd(bcadd($this->number, '0'), '0', $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('4.7');
echo $d->sum(DecimalNumber::createWithString('2.1'));
echo $d->floored();

Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6: Fatal error: Uncaught Error: Call to undefined method DecimalNumber::createWithString() in /in/kmXes:52 Stack trace: #0 {main} thrown in /in/kmXes on line 52
Process exited with code 255.
Output for 5.2.10 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.35, 5.6.0 - 5.6.28: Fatal error: Call to undefined method DecimalNumber::createWithString() in /in/kmXes on line 52
Process exited with code 255.
Output for 5.2.3 - 5.2.9: Fatal error: Call to undefined method DecimalNumber::createwithstring() in /in/kmXes on line 52
Process exited with code 255.
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.2: Fatal error: Call to undefined method DecimalNumber::createwithstring() in /in/kmXes on line 52 
Process exited with code 255.
Output for 4.4.2 - 4.4.9: Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/kmXes on line 10 
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1: Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/kmXes on line 10 
Process exited with code 255.
Output for 4.3.2 - 4.3.4: Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/kmXes on line 10 
Process exited with code 255.

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