Online PHP editor | perf for Y2SFs

<?php $n2w = new NumberToWords(); // not in use var_dump($n2w->convertToWords($amount)); class NumberToWords { // base 10 dictionary private $dictionary = array( 0 => 'zero', 1 => 'one', 2 => 'two', 3 => 'three', 4 => 'four', 5 => 'five', 6 => 'six', 7 => 'seven', 8 => 'eight', 9 => 'nine', 10 => 'ten', 11 => 'eleven', 12 => 'twelve', 13 => 'thirteen', 14 => 'fourteen', 15 => 'fifteen', 16 => 'sixteen', 17 => 'seventeen', 18 => 'eighteen', 19 => 'nineteen', 20 => 'twenty', 30 => 'thirty', 40 => 'forty', 50 => 'fifty', 60 => 'sixty', 70 => 'seventy', 80 => 'eighty', 90 => 'ninety', 100 => 'hundred', 1000 => 'thousand', 1000000 => 'million', 1000000000 => 'billion', 1000000000000 => 'trillion', 1000000000000000 => 'quadrillion', 1000000000000000000 => 'quintillion' ); // irregular ordinals private $ordinal_dictionary = array( 0 => 'zeroth', 1 => 'first', 2 => 'second', 3 => 'third', 5 => 'fifth', 8 => 'eighth', 12 => 'twelfth', 20 => 'twentieth', 30 => 'thirtieth', 40 => 'fourtieth', 50 => 'fiftieth', 60 => 'sixtieth', 70 => 'seventieth', 80 => 'eightieth', 90 => 'ninetieth', 100 => 'hundredth', 1000 => 'thousandth', 1000000 => 'millionth', 1000000000 => 'billionth', 1000000000000 => 'trillionth', 1000000000000000 => 'quadrillionth', 1000000000000000000 => 'quintillionth' ); // math dictionary (not currently in use) private $math_dictionary = array( '+' => 'add', '-' => 'subtract', '/' => 'divide', '*' => 'multiply', '%' => 'modulus', '>' => 'greater than', '<' => 'less than', '=' => 'equal' ); public $hyphen = '-'; public $conjunction = 'and'; public $separator = ','; public $negative = 'negative '; // or minus public $decimal = 'point'; public $percent = 'percent'; public $degrees = 'degree'; public $currency_type = 'dollar'; public $currency_fraction_type = 'cent'; public $uppercase_words = TRUE; // will uc words except 'and' public $include_zero_dollars = TRUE; public $include_zero_cents = TRUE; const AUTOMATIC_MODE = 'automatic_mode'; const CURRENCY_MODE = 'currency_mode'; private $mode; /** * Constructor */ public function __construct() { $this->mode = self::AUTOMATIC_MODE; } /** * Sets the mode used during conversion * * @param string $mode */ public function setMode($mode) { $this->mode = $mode; } /** * Converts any number to words * * @param float $number * @param string $mode * (optional) * @return string */ public function convertToWords($number, $mode = null) { if ($mode != null) $this->mode = $mode; // default vars to null $is_negative = FALSE; $string = $fraction = null; $unit_type = ''; $support_plural_units = TRUE; // must be numeric if (!is_numeric($number)){ // strip chars that make this non-numeric // auto-detect currency and set mode (if at beginning of string) if (strpos($number, '$') == 0){ $this->mode = self::CURRENCY_MODE; } // handle simple percent (if at end of string) if (strpos($number, '%') == strlen($number) - 1){ $this->mode = self::AUTOMATIC_MODE; $unit_type .= $this->percent; $support_plural_units = FALSE; } // handle simple degrees (if at end of string) if (strpos($number, '°') == strlen($number) - 1){ $this->mode = self::AUTOMATIC_MODE; $unit_type .= $this->degrees; } // clean %, $, ï¿½, comma (,) $number = preg_replace('/[,\%\$°]/', '', $number); // if it's not clean now, it's not something we can handle if (!is_numeric($number)){ return false; } } // buffer overflow check if (($number >= 0 && (int)$number < 0) || (int)$number < 0 - PHP_INT_MAX){ trigger_error('convert only accepts numbers between -' . PHP_INT_MAX . ' and ' . PHP_INT_MAX, E_USER_WARNING); return false; } // check for negative number, if so store/remove negative and continue if ($number < 0){ $is_negative = TRUE; $number = abs($number); } if ($this->mode == self::CURRENCY_MODE){ if ($number == (int)$number){ $number .= '.00'; // force decimal by string } } // check for fraction, store it for later if (strpos($number, '.') !== FALSE){ // only apply rounding if we have a fraction if ($this->mode == self::CURRENCY_MODE && $number != (int)$number){ $number = round($number, 2); // we want .109 to round to .11 cents } list($number, $fraction) = explode('.', $number); if ($this->mode == self::CURRENCY_MODE && $fraction != null){ if (strlen($fraction) == 1){ $fraction *= 10; // we want .1 to become .10 (or 10 cents) } } } // if dealing in currency, add units (Dollars) if ($number != 0 || ($this->include_zero_dollars && $number == 0)){ $string .= $this->convert($number); // add units in currency mode if ($this->mode == self::CURRENCY_MODE){ $string .= ' ' . $this->currency_type . ($number != 1 ? 's' : '') . ''; } } // handle fraction if ($fraction !== null && is_numeric($fraction)){ if ($this->mode == self::CURRENCY_MODE){ // change mode to default so there is no unit type if (($fraction == 0 && $this->include_zero_cents) || $fraction != 0){ $before_mode = $this->mode; $this->mode = self::AUTOMATIC_MODE; // if string is not null, we want to add 'and' if ($string != null) $string .= " " . $this->conjunction . " "; $string .= $this->convert($fraction); $this->mode = $before_mode; // restore previous mode $string .= ' ' . $this->currency_fraction_type . ($fraction != 1 ? 's' : ''); } if ($this->uppercase_words) $string = $this->ucwords($string); return $string; } if ($this->mode == self::AUTOMATIC_MODE){ $string .= " " . $this->decimal . " "; // just output 'point' } $words = array(); foreach(str_split((string)$fraction) as $number ){ $words[] = $this->dictionary[$number]; } $string .= implode(' ', $words); } // handle units, if required if ($unit_type != '' && $support_plural_units && ($number != 1 || $fraction != null)) $unit_type .= 's'; // apply last minute formatting $string = ($is_negative ? $this->negative : '') . $string . " " . $unit_type; // uppercase words if set if ($this->uppercase_words) $string = $this->ucwords($string); return trim($string); } /** * Print out date/time related words * * @param string $date * @param string $pattern * @return string */ public function convertDateToWords($date, $pattern = 'l, F jS, Y') { // get the time $time = strtotime($date); // adjust the pattern for testing adding non-interpreted characters // $pattern = "l, F \u jS, Y \h"; $parts = preg_split('//', $pattern); $good_parts = array(); for($i = 0; $i < count($parts); $i++){ $part = $parts[$i]; if ($part == "\\"){ // this is an escaped character, get the character that follows as part $part = $parts[++$i]; // get next item as assignment } else{ // track 'S' (st, nd, rd, th suffix), we need the item before (if item exists and is a number) // make it read first, second, third, fourth, fifth, sixth, seventh, eighth, nineth, tenth, eleventh, twelveth... if ($part == 'S' && $i > 0){ $prev_val = date($parts[$i - 1], $time); if (is_numeric($prev_val)){ // numbers with different rules $part = $this->getNumberOrdinal($prev_val); array_pop($good_parts); // remove last item $good_parts[] = $part; // add this item continue; } } if (trim($part) != '' && $part != ',' && ($value = date($part, $time)) !== FALSE){ if ($value != ''){ // we have an equated value if (is_numeric($value)){ // this a number, let's convert it to text $good_parts[] = trim($this->convertToWords($value, self::AUTOMATIC_MODE)); } else{ // this is not a number, we don't alter it $good_parts[] = $value; } } continue; } } $good_parts[] = $part; } // echo var_export($good_parts, TRUE)."\n"; return trim(implode('', $good_parts)); } /** * Converts a number into the word-ordinal form * * @param int $number * @return string */ public function getNumberOrdinal($number) { $number = (int)abs($number); // cannot have fractions or be negative // check if number given is in ordinal dictionary if (array_key_exists($number, $this->ordinal_dictionary)){ // simple lookup in dictionary $ord = $this->ordinal_dictionary[$number]; } else{ // first remove all but the last two digits $n1 = $number % 100; // remove all but last digit unless the number is in the teens, which all should be 'th' $n2 = ($n1 < 20 ? $number : $number % 10); // check if digit less than 20 is in dictionary if (array_key_exists($n2, $this->ordinal_dictionary)){ $ord = $this->ordinal_dictionary[$n2]; if ($number > 20){ $words = $this->convertToWords($number); // we need to account for a two-part number $word_list = explode('-', $words); $word_list[count($word_list) - 1] = $ord; $ord = implode('-', $word_list); } } else{ // if not zero, use number straight across if ($n2 != 0){ $ord = $this->convert($number) . 'th'; } } } // apply this to finished product, not ord if ($this->uppercase_words) $ord = $this->ucwords($ord); return $ord; } /** * Helper method to access converting almost all words to ucfirst * * @param string $string * @return string */ private function ucwords($string) { return preg_replace_callback("/[a-zA-Z-]+/", array( &$this, 'limitedUcwords' ), $string); } /** * Called by preg callback * * @param string $match * @return string */ private function limitedUcwords($match) { $exclude = array( 'and' ); // list of words to not ucfirst if (in_array(strtolower($match[0]), $exclude)) return $match[0]; return ucfirst($match[0]); } /** * Converts a number to words regardless of other formatting * * @param int $number * @return boolean */ private function convert($number) { $string = ''; $number = (int)$number; // must be a whole number (no fraction, no strings) switch (true){ case $number < 21: $string = $this->dictionary[$number]; break; case $number < 100: $tens = ((int)($number / 10)) * 10; $units = $number % 10; $string = $this->dictionary[$tens]; if ($units){ $string .= $this->hyphen . $this->dictionary[$units]; } break; case $number < 1000: $hundreds = $number / 100; $remainder = $number % 100; $string = $this->dictionary[$hundreds] . ' ' . $this->dictionary[100]; if ($remainder){ $string .= " " . $this->conjunction . " " . $this->convert($remainder); } break; default: $baseUnit = pow(1000, floor(log($number, 1000))); $numBaseUnits = (int)($number / $baseUnit); $remainder = $number % $baseUnit; $string = $this->convert($numBaseUnits) . ' ' . $this->dictionary[$baseUnit]; if ($remainder){ $string .= $remainder < 100 ? " " . $this->conjunction . " " : $this->separator . " "; $string .= $this->convert($remainder); } break; } return $string; } }

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)
8.3.6	0.015	0.000	18.60
8.3.5	0.017	0.006	22.96
8.3.4	0.016	0.003	19.27
8.3.3	0.012	0.003	19.21
8.3.2	0.004	0.004	20.49
8.3.1	0.006	0.003	21.94
8.3.0	0.004	0.004	17.88
8.2.18	0.016	0.006	17.13
8.2.17	0.015	0.000	22.96
8.2.16	0.011	0.003	20.65
8.2.15	0.004	0.004	24.18
8.2.14	0.008	0.000	24.66
8.2.13	0.003	0.005	26.16
8.2.12	0.000	0.008	20.98
8.2.11	0.010	0.000	22.20
8.2.10	0.009	0.003	18.09
8.2.9	0.005	0.003	19.34
8.2.8	0.003	0.005	17.97
8.2.7	0.008	0.004	17.98
8.2.6	0.000	0.008	17.93
8.2.5	0.009	0.000	18.07
8.2.4	0.000	0.008	18.22
8.2.3	0.008	0.000	18.21
8.2.2	0.000	0.008	18.05
8.2.1	0.004	0.004	18.27
8.2.0	0.003	0.006	18.17
8.1.28	0.008	0.008	25.92
8.1.27	0.005	0.003	24.02
8.1.26	0.008	0.000	26.35
8.1.25	0.003	0.006	28.09
8.1.24	0.007	0.003	23.96
8.1.23	0.003	0.009	19.29
8.1.22	0.005	0.003	17.91
8.1.21	0.000	0.008	18.77
8.1.20	0.004	0.004	17.60
8.1.19	0.003	0.006	17.60
8.1.18	0.000	0.009	18.10
8.1.17	0.008	0.000	18.84
8.1.16	0.000	0.008	22.27
8.1.15	0.000	0.008	19.10
8.1.14	0.005	0.003	17.76
8.1.13	0.000	0.007	17.87
8.1.12	0.000	0.008	17.75
8.1.11	0.006	0.003	17.71
8.1.10	0.006	0.003	17.80
8.1.9	0.004	0.004	17.66
8.1.8	0.000	0.007	17.82
8.1.7	0.004	0.004	17.64
8.1.6	0.006	0.003	17.83
8.1.5	0.003	0.006	17.78
8.1.4	0.006	0.003	17.83
8.1.3	0.000	0.008	17.94
8.1.2	0.004	0.004	17.84
8.1.1	0.008	0.000	17.80
8.1.0	0.004	0.004	17.79
8.0.30	0.000	0.007	18.77
8.0.29	0.004	0.004	17.25
8.0.28	0.005	0.002	18.52
8.0.27	0.004	0.004	17.42
8.0.26	0.004	0.004	17.42
8.0.25	0.000	0.007	17.36
8.0.24	0.000	0.007	17.29
8.0.23	0.007	0.000	17.29
8.0.22	0.004	0.004	17.28
8.0.21	0.005	0.003	17.27
8.0.20	0.007	0.000	17.30
8.0.19	0.000	0.008	17.32
8.0.18	0.007	0.000	17.30
8.0.17	0.003	0.006	17.29
8.0.16	0.003	0.005	17.17
8.0.15	0.004	0.004	17.15
8.0.14	0.000	0.007	17.20
8.0.13	0.003	0.003	13.70
8.0.12	0.005	0.003	17.26
8.0.11	0.004	0.004	17.22
8.0.10	0.003	0.005	17.23
8.0.9	0.000	0.007	17.31
8.0.8	0.015	0.006	17.17
8.0.7	0.000	0.009	17.27
8.0.6	0.004	0.004	17.29
8.0.5	0.000	0.008	17.03
8.0.3	0.017	0.009	17.43
8.0.2	0.008	0.014	17.40
8.0.1	0.005	0.003	17.38
8.0.0	0.008	0.010	16.98
7.4.33	0.005	0.000	15.00
7.4.32	0.005	0.002	16.86
7.4.30	0.000	0.008	17.02
7.4.29	0.007	0.000	17.01
7.4.28	0.004	0.004	16.86
7.4.27	0.000	0.007	16.82
7.4.26	0.003	0.006	16.94
7.4.25	0.003	0.005	16.83
7.4.24	0.004	0.003	16.89
7.4.23	0.000	0.007	16.94
7.4.22	0.012	0.006	16.85
7.4.21	0.006	0.009	16.98
7.4.20	0.000	0.008	16.99
7.4.16	0.017	0.008	17.04
7.4.15	0.016	0.008	17.40
7.4.14	0.011	0.008	17.86
7.4.13	0.012	0.008	16.83
7.4.12	0.009	0.010	16.89
7.4.11	0.014	0.004	16.76
7.4.10	0.015	0.006	16.88
7.4.9	0.008	0.011	16.89
7.4.8	0.009	0.009	19.39
7.4.7	0.010	0.009	16.74
7.4.6	0.010	0.010	16.98
7.4.5	0.000	0.009	16.93
7.4.4	0.007	0.010	16.77
7.4.3	0.009	0.009	16.82
7.4.0	0.003	0.012	14.96
7.3.33	0.003	0.003	13.59
7.3.32	0.006	0.000	13.72
7.3.31	0.002	0.005	16.63
7.3.30	0.002	0.005	16.60
7.3.29	0.006	0.009	16.73
7.3.28	0.008	0.012	16.75
7.3.27	0.009	0.009	17.40
7.3.26	0.003	0.014	16.76
7.3.25	0.008	0.011	16.87
7.3.24	0.010	0.007	16.79
7.3.23	0.006	0.013	17.02
7.3.21	0.014	0.003	16.74
7.3.20	0.008	0.009	19.39
7.3.19	0.011	0.006	16.96
7.3.18	0.006	0.011	16.81
7.3.17	0.019	0.009	16.65
7.3.16	0.010	0.010	16.78
7.3.1	0.000	0.014	16.95
7.3.0	0.003	0.006	16.60
7.2.33	0.012	0.006	16.91
7.2.32	0.003	0.019	17.01
7.2.31	0.017	0.003	17.02
7.2.30	0.004	0.022	16.96
7.2.29	0.011	0.006	16.99
7.2.13	0.007	0.007	17.17
7.2.12	0.009	0.003	16.84
7.2.11	0.006	0.003	16.92
7.2.10	0.004	0.007	16.91
7.2.9	0.000	0.012	17.19
7.2.8	0.000	0.012	17.15
7.2.7	0.006	0.006	16.90
7.2.6	0.008	0.004	17.00
7.2.5	0.006	0.006	17.17
7.2.4	0.006	0.009	17.23
7.2.3	0.003	0.013	17.20
7.2.2	0.003	0.006	16.91
7.2.1	0.009	0.006	17.20
7.2.0	0.003	0.011	18.44
7.1.25	0.006	0.003	15.93
7.1.10	0.003	0.006	18.56
7.1.7	0.000	0.007	17.31
7.1.6	0.000	0.026	19.40
7.1.5	0.028	0.013	34.91
7.1.0	0.010	0.070	22.35
7.0.20	0.003	0.006	16.88
7.0.14	0.007	0.073	22.05
7.0.11	0.000	0.040	20.12
7.0.10	0.010	0.037	20.16
7.0.9	0.020	0.023	20.23
7.0.8	0.013	0.077	20.21
7.0.7	0.010	0.053	20.11
7.0.6	0.000	0.060	20.10
7.0.5	0.010	0.073	20.03
7.0.4	0.010	0.073	19.75
7.0.3	0.003	0.087	19.70
7.0.2	0.013	0.073	19.70
7.0.1	0.003	0.073	19.75
7.0.0	0.000	0.087	19.84
5.6.28	0.010	0.070	21.17
5.6.26	0.007	0.050	20.67
5.6.25	0.017	0.070	20.77
5.6.24	0.010	0.060	20.94
5.6.23	0.017	0.073	20.63
5.6.22	0.003	0.040	20.76
5.6.21	0.013	0.073	20.69
5.6.20	0.007	0.073	20.74
5.6.19	0.003	0.083	20.76
5.6.18	0.007	0.033	20.67
5.6.17	0.003	0.077	20.64
5.6.16	0.000	0.090	20.64
5.6.15	0.007	0.063	20.69
5.6.14	0.007	0.083	20.73
5.6.13	0.007	0.033	20.67
5.6.12	0.010	0.077	20.54
5.6.11	0.003	0.037	20.53
5.6.10	0.003	0.080	20.72
5.6.9	0.010	0.080	20.72
5.6.8	0.000	0.040	20.10
5.6.7	0.000	0.083	20.04
5.6.6	0.007	0.030	20.01
5.6.5	0.007	0.073	20.10
5.6.4	0.003	0.083	20.14
5.6.3	0.007	0.037	20.07
5.6.2	0.000	0.087	19.99
5.6.1	0.010	0.073	20.09
5.6.0	0.007	0.077	20.07
5.5.38	0.013	0.070	17.64
5.5.37	0.000	0.087	17.78
5.5.36	0.010	0.067	17.60
5.5.35	0.003	0.080	17.71
5.5.34	0.007	0.080	18.29
5.5.33	0.003	0.037	18.07
5.5.32	0.003	0.087	18.21
5.5.31	0.017	0.073	18.23
5.5.30	0.003	0.090	18.14
5.5.29	0.007	0.083	18.17
5.5.28	0.007	0.057	18.02
5.5.27	0.003	0.057	18.26
5.5.26	0.007	0.080	18.01
5.5.25	0.003	0.080	17.88
5.5.24	0.003	0.037	17.64
5.5.23	0.000	0.083	17.45
5.5.22	0.020	0.063	17.52
5.5.21	0.003	0.070	17.39
5.5.20	0.013	0.023	17.38
5.5.19	0.003	0.037	17.38
5.5.18	0.000	0.043	17.37
5.5.16	0.003	0.033	17.61
5.5.15	0.003	0.033	17.37
5.5.14	0.007	0.043	17.45
5.5.13	0.003	0.040	17.51
5.5.12	0.000	0.040	17.61
5.5.11	0.010	0.073	17.56
5.5.10	0.000	0.043	17.40
5.5.9	0.003	0.063	17.26
5.5.8	0.000	0.050	17.39
5.5.7	0.007	0.033	17.28
5.5.6	0.000	0.037	17.38
5.5.5	0.017	0.070	17.53
5.5.4	0.007	0.077	17.50
5.5.3	0.003	0.057	17.38
5.5.2	0.007	0.073	17.49
5.5.1	0.003	0.037	17.30
5.5.0	0.003	0.037	17.46
5.4.45	0.013	0.053	19.31
5.4.44	0.010	0.027	19.71
5.4.43	0.010	0.077	19.35
5.4.42	0.003	0.083	19.56
5.4.41	0.003	0.083	19.53
5.4.40	0.007	0.033	19.04
5.4.39	0.003	0.077	19.22
5.4.38	0.003	0.033	19.14
5.4.37	0.007	0.047	19.14
5.4.36	0.003	0.053	19.01
5.4.35	0.000	0.047	19.03
5.4.34	0.003	0.040	19.02
5.4.32	0.010	0.067	19.02
5.4.31	0.007	0.060	19.25
5.4.30	0.013	0.063	19.06
5.4.29	0.007	0.070	19.03
5.4.28	0.003	0.037	19.10
5.4.27	0.000	0.067	19.16
5.4.26	0.007	0.070	19.17
5.4.25	0.007	0.047	19.22
5.4.24	0.007	0.033	19.03
5.4.23	0.000	0.053	19.37
5.4.22	0.017	0.067	19.14
5.4.21	0.003	0.073	19.21
5.4.20	0.000	0.083	19.24
5.4.19	0.013	0.023	19.00
5.4.18	0.003	0.060	19.01
5.4.17	0.003	0.040	19.21
5.4.16	0.010	0.030	19.15
5.4.15	0.007	0.033	19.04
5.4.14	0.007	0.073	16.69
5.4.13	0.000	0.037	16.43
5.4.12	0.007	0.063	16.43
5.4.11	0.013	0.057	16.53
5.4.10	0.003	0.033	16.44
5.4.9	0.003	0.063	16.61
5.4.8	0.003	0.043	16.59
5.4.7	0.000	0.077	16.49
5.4.6	0.003	0.070	16.58
5.4.5	0.020	0.053	16.60
5.4.4	0.003	0.077	16.57
5.4.3	0.003	0.073	16.49
5.4.2	0.003	0.070	16.39
5.4.1	0.003	0.070	16.59
5.4.0	0.007	0.077	15.87