Online PHP editor | perf for 0Br3p

<?php namespace JoshDiFabio; interface RomanNumeralGeneratorInterface { /** * @param int $number * @return string * @throws \InvalidArgumentException Argument not an integer or out of range * @author Josh Di Fabio <joshdifabio@hotmail.com> */ public function generate($number); } class RomanNumeral { const ONE = 'I'; const FIVE = 'V'; const TEN = 'X'; const FIFTY = 'L'; const ONE_HUNDRED = 'C'; const FIVE_HUNDRED = 'D'; const ONE_THOUSAND = 'M'; } class RomanNumeralGenerator implements RomanNumeralGeneratorInterface { /** * @var array * @author Josh Di Fabio <joshdifabio@hotmail.com> */ private $_integerNumeralMap = array( 1000 => RomanNumeral::ONE_THOUSAND, 500 => RomanNumeral::FIVE_HUNDRED, 100 => RomanNumeral::ONE_HUNDRED, 50 => RomanNumeral::FIFTY, 10 => RomanNumeral::TEN, 5 => RomanNumeral::FIVE, 1 => RomanNumeral::ONE, ); /** * @param int $number * @return string * @throws \InvalidArgumentException Argument not an integer or out of range * @author Josh Di Fabio <joshdifabio@hotmail.com> */ public function generate($number) { if (!is_integer($number)) { throw new \InvalidArgumentException('Provided argument is not an integer.'); } if (1 > $number || 3999 < $number) { throw new \InvalidArgumentException( 'The provided number is not within the allowed range of 1 to 3999.'); } $numerals = array(); while (0 < $number) { $_prevInteger = null; foreach ($this->_integerNumeralMap as $_integer => $_numeral) { if (!is_null($_prevInteger) && $number >= 4 * $_integer) { $numerals[] = $_numeral; $numerals[] = $this->_integerNumeralMap[$_prevInteger]; $number -= 4 * $_integer; break;<?php namespace JoshDiFabio; interface RomanNumeralGeneratorInterface { /** * @param int $number * @return string * @throws \InvalidArgumentException Argument not an integer or out of range * @author Josh Di Fabio <joshdifabio@hotmail.com> */ public function generate($number); } class RomanNumeral { const ONE = 'I'; const FIVE = 'V'; const TEN = 'X'; const FIFTY = 'L'; const ONE_HUNDRED = 'C'; const FIVE_HUNDRED = 'D'; const ONE_THOUSAND = 'M'; } class RomanNumeralGenerator implements RomanNumeralGeneratorInterface { /** * @var array * @author Josh Di Fabio <joshdifabio@hotmail.com> */ private $_numerals = array( array( 'integer' => 1000, 'symbol' => RomanNumeral::ONE_THOUSAND, ), array( 'integer' => 500, 'symbol' => RomanNumeral::FIVE_HUNDRED, ), array( 'integer' => 100, 'symbol' => RomanNumeral::ONE_HUNDRED, ), array( 'integer' => 50, 'symbol' => RomanNumeral::FIFTY, ), array( 'integer' => 10, 'symbol' => RomanNumeral::TEN, ), array( 'integer' => 5, 'symbol' => RomanNumeral::FIVE, ), array( 'integer' => 1, 'symbol' => RomanNumeral::ONE, ), ); /** * @param int $number * @return string * @throws \InvalidArgumentException Argument not an integer or out of range * @author Josh Di Fabio <joshdifabio@hotmail.com> */ public function generate($number) { if (!is_integer($number)) { throw new \InvalidArgumentException('Provided argument is not an integer.'); } if (1 > $number || 3999 < $number) { throw new \InvalidArgumentException( 'The provided number is not within the allowed range of 1 to 3999.'); } $numerals = array(); while (0 < $number) { // loop through numerals from largest to smallest foreach ($this->_numerals as $_numeralIdx => &$_numeralData) { /* * if the input number less any already selected numerals is larger than the current * numeral, choose the current numeral and deduct its integer value from the input * number */ if ($number >= $_numeralData['integer']) { $numerals[] = $_numeralData['symbol']; $number -= $_numeralData['integer']; break; } $_lesserNumeralData = $this->_numerals[1 + $_numeralIdx]; if ($number >= $_numeralData['integer'] - $_lesserNumeralData['integer']) { $numerals[] = $_lesserNumeralData['symbol']; $numerals[] = $_numeralData['symbol']; break; } } } return implode('', $numerals); } } $generator = new RomanNumeralGenerator; echo $generator->generate(312); } if ($number >= $_integer) { $numerals[] = $_numeral; $number -= $_integer; break; } $_prevInteger = $_integer; } } return implode('', $numerals); } } $generator = new RomanNumeralGenerator; echo $generator->generate(3999);

Version	System time (s)	User time (s)	Memory (MiB)
5.4.19	0.010	0.044	12.41
5.4.18	0.012	0.046	12.41
5.4.17	0.015	0.041	12.42
5.4.16	0.011	0.038	12.42
5.4.15	0.012	0.038	12.41
5.4.14	0.010	0.043	12.10
5.4.13	0.011	0.038	12.08
5.4.12	0.010	0.039	12.05
5.4.11	0.010	0.037	12.05
5.4.10	0.006	0.041	12.04
5.4.9	0.007	0.042	12.04
5.4.8	0.010	0.040	12.05
5.4.7	0.008	0.040	12.04
5.4.6	0.011	0.038	12.04
5.4.5	0.009	0.041	12.04
5.4.4	0.008	0.041	12.03
5.4.3	0.007	0.042	12.02
5.4.2	0.009	0.040	12.02
5.4.1	0.012	0.039	12.03
5.4.0	0.012	0.040	11.52
5.3.27	0.011	0.045	12.72
5.3.26	0.011	0.046	12.72
5.3.25	0.011	0.042	12.72
5.3.24	0.012	0.041	12.72
5.3.23	0.010	0.046	12.71
5.3.22	0.009	0.045	12.68
5.3.21	0.010	0.042	12.68
5.3.20	0.011	0.041	12.68
5.3.19	0.010	0.044	12.67
5.3.18	0.009	0.045	12.67
5.3.17	0.013	0.041	12.67
5.3.16	0.011	0.044	12.67
5.3.15	0.011	0.040	12.67
5.3.14	0.010	0.040	12.67
5.3.13	0.010	0.042	12.66
5.3.12	0.011	0.041	12.66
5.3.11	0.010	0.042	12.66
5.3.10	0.007	0.043	12.15
5.3.9	0.012	0.040	12.13
5.3.8	0.013	0.040	12.12
5.3.7	0.012	0.037	12.12
5.3.6	0.009	0.039	12.10
5.3.5	0.010	0.039	12.05
5.3.4	0.010	0.039	12.05
5.3.3	0.010	0.036	12.01
5.3.2	0.010	0.037	11.79
5.3.1	0.011	0.038	11.76
5.3.0	0.011	0.042	11.74