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<?php |
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/** |
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* This file is part of the O2System Framework package. |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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* |
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* @author Steeve Andrian Salim |
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* @copyright Copyright (c) Steeve Andrian Salim |
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*/ |
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// ------------------------------------------------------------------------ |
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/** |
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* Number Helper |
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* |
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* A collection of helper function to work with a numeric value. |
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*/ |
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// ------------------------------------------------------------------------ |
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if ( ! function_exists('is_positive')) { |
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/** |
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* is_positive |
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* |
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* Determine if the number is a positive value. |
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* |
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* @param int $number The numeric value. |
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* |
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* @return bool |
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*/ |
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function is_positive($number) |
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{ |
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if ($number > 0) { |
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return true; |
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} |
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return false; |
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} |
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} |
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// ------------------------------------------------------------------------ |
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if ( ! function_exists('is_negative')) { |
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/** |
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* is_negative |
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* |
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* Determine if the number is a negative value. |
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* |
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* @param int $number The numeric value. |
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* |
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* @return bool |
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*/ |
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function is_negative($number) |
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{ |
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if ($number < 0) { |
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return true; |
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} |
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return false; |
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} |
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} |
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// ------------------------------------------------------------------------ |
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if ( ! function_exists('is_odd')) { |
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/** |
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* is_odd |
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* |
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* Determine if the number is an odd value. |
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* |
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* @param int $number The numeric value. |
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* |
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* @return bool |
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*/ |
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function is_odd($number) |
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{ |
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if ($number % 2 == 0) { |
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return true; |
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} |
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return false; |
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} |
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} |
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// ------------------------------------------------------------------------ |
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if ( ! function_exists('is_even')) { |
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/** |
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* is_even |
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* |
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* Determine if the number is an even value. |
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* |
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* @param int $number The numeric value. |
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* |
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* @return bool |
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*/ |
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function is_even($number) |
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{ |
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if ($number % 2 == 0) { |
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return false; |
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} |
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return true; |
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} |
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} |
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// ------------------------------------------------------------------------ |
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if ( ! function_exists('currency_format')) { |
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/** |
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* currency_format |
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* |
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* Format a number into string of formatted currency value. |
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* |
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* @param int $number The numeric value. |
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* @param string $locale The locale code indicating the language to use. |
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* @param string $currency The 3-letter ISO 4217 currency code indicating the currency to use. |
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* @param bool $add_space Add a space between currency and the formatted number. |
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* |
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* @return string |
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*/ |
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function currency_format($number, $locale = 'en_US', $currency = 'USD', $add_space = false) |
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{ |
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$formatter = new \NumberFormatter($locale, \NumberFormatter::CURRENCY); |
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if ($add_space) { |
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$formatter->setPattern(str_replace('¤#', '¤ #', $formatter->getPattern())); |
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} |
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return $formatter->formatCurrency($number, $currency); |
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} |
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} |
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// ------------------------------------------------------------------------ |
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if ( ! function_exists('unit_format')) { |
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/** |
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* unit format |
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* |
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* Format a number with grouped thousands and added a custom unit suffix. |
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* |
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* @param int $number The numeric value. |
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* @param string $unit The custom unit suffix |
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* @param int $decimals The number of decimal points. |
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* @param string $decimal_point The separator for the decimal point. |
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* @param string $thousands_separator The thousands separator. |
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* |
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* @return string |
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*/ |
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function unit_format($number, $unit = null, $decimals = 0, $decimal_point = '.', $thousands_separator = ',') |
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{ |
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$number = number_format($number, $decimals, $decimal_point, $thousands_separator); |
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if (isset($unit)) { |
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return $number . ' ' . $unit; |
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} |
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return $number; |
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} |
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} |
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// ------------------------------------------------------------------------ |
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if ( ! function_exists('hertz_format')) { |
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/** |
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* hertz_format |
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* |
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* Formats a numbers into a string with the appropriate hertz unit based on size. |
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* |
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* @param int $number The numeric value. |
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* @param int $decimals The number of decimal points. |
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* |
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* @return string |
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*/ |
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function hertz_format($number, $decimals = 1) |
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{ |
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if ($number >= 1000000000000) { |
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$number = round($number / 1099511627776, $decimals); |
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$unit = 'THz'; |
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} elseif ($number >= 1000000000) { |
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$number = round($number / 1073741824, $decimals); |
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$unit = 'GHz'; |
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} elseif ($number >= 1000000) { |
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$number = round($number / 1048576, $decimals); |
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$unit = 'MHz'; |
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} elseif ($number >= 1000) { |
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$number = round($number / 1024, $decimals); |
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$unit = 'KHz'; |
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} else { |
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$unit = 'Hz'; |
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return number_format($number) . ' ' . $unit; |
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} |
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return number_format($number, $decimals) . ' ' . $unit; |
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} |
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} |
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// ------------------------------------------------------------------------ |
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if ( ! function_exists('roman_format')) { |
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/** |
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* roman_format |
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* |
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* Formats a number into string of roman format. |
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* |
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* @param int $number The numeric value. |
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* |
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* @return string |
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*/ |
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function roman_format($number) |
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{ |
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$romans = [ |
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'M' => 1000, |
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'CM' => 900, |
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'D' => 500, |
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'CD' => 400, |
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'C' => 100, |
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'XC' => 90, |
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'L' => 50, |
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'XL' => 40, |
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'X' => 10, |
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'IX' => 9, |
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'V' => 5, |
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'IV' => 4, |
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'I' => 1, |
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]; |
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$return = ''; |
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while ($number > 0) { |
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foreach ($romans as $rom => $arb) { |
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if ($number >= $arb) { |
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$number -= $arb; |
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$return .= $rom; |
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break; |
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} |
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} |
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} |
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return $return; |
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} |
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} |
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// ------------------------------------------------------------------------ |
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if ( ! function_exists('short_format')) { |
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/** |
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* short_format |
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* |
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* Formats a number into shorted string with the appropriate unit based on size. |
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* |
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* @param int $number The numeric value. |
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* @param int $decimals The number of decimal points. |
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* |
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* @return string |
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*/ |
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function short_format($number, $decimals = 0) |
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{ |
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$divisors = [ |
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pow(1000, 0) => '', // 1000^0 == 1 |
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pow(1000, 1) => 'K', // Thousand |
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pow(1000, 2) => 'M', // Million |
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pow(1000, 3) => 'B', // Billion |
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pow(1000, 4) => 'T', // Trillion |
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pow(1000, 5) => 'Qa', // Quadrillion |
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pow(1000, 6) => 'Qi', // Quintillion |
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]; |
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// Loop through each $divisor and find the |
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// lowest amount that matches |
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foreach ($divisors as $divisor => $shorthand) { |
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if ($number < ($divisor * 1000)) { |
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// We found a match! |
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// We found our match, or there were no matches. |
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// Either way, use the last defined value for $divisor. |
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return number_format($number / $divisor, $decimals) . $shorthand; |
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break; |
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} |
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} |
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} |
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} |
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// ------------------------------------------------------------------------ |
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if ( ! function_exists('byte_format')) { |
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/** |
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* byte_format |
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* |
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* Formats a numbers into a string with the appropriate byte unit based on size. |
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* |
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* @param int $number The numeric value. |
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* @param int $decimals The number of decimal points. |
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* |
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* @return string |
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*/ |
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function byte_format($number, $decimals = 1) |
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{ |
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language()->loadFile('number'); |
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if ($number >= 1000000000000) { |
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$number = round($number / 1099511627776, $decimals); |
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$unit = language()->getLine('TERABYTE_ABBR'); |
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} elseif ($number >= 1000000000) { |
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$number = round($number / 1073741824, $decimals); |
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$unit = language()->getLine('GIGABYTE_ABBR'); |
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} elseif ($number >= 1000000) { |
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$number = round($number / 1048576, $decimals); |
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$unit = language()->getLine('MEGABYTE_ABBR'); |
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} elseif ($number >= 1000) { |
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$number = round($number / 1024, $decimals); |
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$unit = language()->getLine('KILOBYTE_ABBR'); |
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} else { |
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$unit = language()->getLine('BYTES'); |
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return number_format($number) . ' ' . $unit; |
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} |
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return number_format($number, $decimals) . ' ' . $unit; |
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} |
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} |
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// ------------------------------------------------------------------------ |
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if ( ! function_exists('ordinal_format')) { |
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/** |
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* ordinal_format |
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* |
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* Formats a number into an ordinal string such as 1st, 2nd, 3rd, 4th. |
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* |
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* @param int $number The numeric value. |
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* |
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* @return string |
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*/ |
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function ordinal_format($number) |
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{ |
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$suffixes = |
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[ |
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'th', |
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'st', |
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'nd', |
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'rd', |
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'th', |
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'th', |
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'th', |
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'th', |
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'th', |
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'th', |
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]; |
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return $number . ($number % 100 >= 11 && $number % 100 <= 13 |
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? 'th' |
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: $suffixes[ $number % 10 ]); |
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} |
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} |
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// ------------------------------------------------------------------------ |
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if ( ! function_exists('words_format')) { |
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/** |
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* words_format |
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* |
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* Formats a number into a words of spelling string. |
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* |
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* @param int $number The numeric value. |
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* @param string $locale The locale code indicating the language to use. |
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* |
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* @return string |
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*/ |
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function words_format($number, $locale = 'en_US') |
363
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{ |
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$formatter = new NumberFormatter($locale, NumberFormatter::SPELLOUT); |
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return $formatter->format($number); |
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} |
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} |
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// ------------------------------------------------------------------------ |
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if ( ! function_exists('zero_fill')) { |
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/** |
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* zero_fill |
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* |
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* Formats a number into a string of leading zero number. |
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* |
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* @param int $number The numeric value |
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* @param int $digits The number of digits. |
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* |
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* @return string |
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*/ |
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function zero_fill($number, $digits = 2) |
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{ |
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return str_pad($number, $digits, '0', STR_PAD_LEFT); |
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} |
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} |
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// ------------------------------------------------------------------------ |
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|
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if ( ! function_exists('calculate')) { |
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/** |
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* calculate |
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* |
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* Calculate from string |
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* |
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* @param string $formula |
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* |
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* @return string |
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*/ |
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|
|
function calculate($formula) |
401
|
|
|
{ |
402
|
|
|
static $function_map = [ |
403
|
|
|
'floor' => 'floor', |
404
|
|
|
'ceil' => 'ceil', |
405
|
|
|
'round' => 'round', |
406
|
|
|
'sin' => 'sin', |
407
|
|
|
'cos' => 'cos', |
408
|
|
|
'tan' => 'tan', |
409
|
|
|
'asin' => 'asin', |
410
|
|
|
'acos' => 'acos', |
411
|
|
|
'atan' => 'atan', |
412
|
|
|
'abs' => 'abs', |
413
|
|
|
'log' => 'log', |
414
|
|
|
'pi' => 'pi', |
415
|
|
|
'exp' => 'exp', |
416
|
|
|
'min' => 'min', |
417
|
|
|
'max' => 'max', |
418
|
|
|
'rand' => 'rand', |
419
|
|
|
'fmod' => 'fmod', |
420
|
|
|
'sqrt' => 'sqrt', |
421
|
|
|
'deg2rad' => 'deg2rad', |
422
|
|
|
'rad2deg' => 'rad2deg', |
423
|
|
|
]; |
424
|
|
|
|
425
|
|
|
// Remove any whitespace |
426
|
|
|
$formula = strtolower(preg_replace('~\s+~', '', $formula)); |
427
|
|
|
|
428
|
|
|
// Empty formula |
429
|
|
|
if ($formula === '') { |
430
|
|
|
trigger_error('Empty formula', E_USER_ERROR); |
431
|
|
|
|
432
|
|
|
return null; |
433
|
|
|
} |
434
|
|
|
|
435
|
|
|
// Illegal function |
436
|
|
|
$formula = preg_replace_callback( |
437
|
|
|
'~\b[a-z]\w*\b~', |
438
|
|
|
function ($match) use ($function_map) { |
439
|
|
|
$function = $match[ 0 ]; |
440
|
|
|
if ( ! isset($function_map[ $function ])) { |
441
|
|
|
trigger_error("Illegal function '{$match[0]}'", E_USER_ERROR); |
442
|
|
|
|
443
|
|
|
return ''; |
444
|
|
|
} |
445
|
|
|
|
446
|
|
|
return $function_map[ $function ]; |
447
|
|
|
}, |
448
|
|
|
$formula |
449
|
|
|
); |
450
|
|
|
|
451
|
|
|
// Invalid function calls |
452
|
|
|
if (preg_match('~[a-z]\w*(?![\(\w])~', $formula, $match) > 0) { |
453
|
|
|
trigger_error("Invalid function call '{$match[0]}'", E_USER_ERROR); |
454
|
|
|
|
455
|
|
|
return null; |
456
|
|
|
} |
457
|
|
|
|
458
|
|
|
// Legal characters |
459
|
|
|
if (preg_match('~[^-+/%*&|<>!=.()0-9a-z,]~', $formula, $match) > 0) { |
460
|
|
|
trigger_error("Illegal character '{$match[0]}'", E_USER_ERROR); |
461
|
|
|
|
462
|
|
|
return null; |
463
|
|
|
} |
464
|
|
|
|
465
|
|
|
return eval("return({$formula});"); |
|
|
|
|
466
|
|
|
} |
467
|
|
|
} |
468
|
|
|
|
The
break
statement is not necessary if it is preceded for example by areturn
statement:If you would like to keep this construct to be consistent with other
case
statements, you can safely mark this issue as a false-positive.