first commit
This commit is contained in:
Olu Amey
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<?php
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/**
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* This file is part of the CodeIgniter 4 framework.
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*
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* (c) CodeIgniter Foundation <admin@codeigniter.com>
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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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use Config\Services;
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/**
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* CodeIgniter Number Helpers
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*/
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if (! function_exists('number_to_size'))
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{
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/**
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* Formats a numbers as bytes, based on size, and adds the appropriate suffix
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*
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* @param mixed $num Will be cast as int
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* @param integer $precision
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* @param string $locale
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*
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* @return boolean|string
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*/
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function number_to_size($num, int $precision = 1, string $locale = null)
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{
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// Strip any formatting & ensure numeric input
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try
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{
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$num = 0 + str_replace(',', '', $num); // @phpstan-ignore-line
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}
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catch (ErrorException $ee)
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{
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return false;
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}
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// ignore sub part
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$generalLocale = $locale;
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if (! empty($locale) && ($underscorePos = strpos($locale, '_')))
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{
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$generalLocale = substr($locale, 0, $underscorePos);
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}
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if ($num >= 1000000000000)
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{
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$num = round($num / 1099511627776, $precision);
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$unit = lang('Number.terabyteAbbr', [], $generalLocale);
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}
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elseif ($num >= 1000000000)
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{
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$num = round($num / 1073741824, $precision);
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$unit = lang('Number.gigabyteAbbr', [], $generalLocale);
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}
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elseif ($num >= 1000000)
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{
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$num = round($num / 1048576, $precision);
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$unit = lang('Number.megabyteAbbr', [], $generalLocale);
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}
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elseif ($num >= 1000)
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{
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$num = round($num / 1024, $precision);
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$unit = lang('Number.kilobyteAbbr', [], $generalLocale);
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}
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else
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{
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$unit = lang('Number.bytes', [], $generalLocale);
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}
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return format_number($num, $precision, $locale, ['after' => ' ' . $unit]);
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}
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}
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//--------------------------------------------------------------------
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if (! function_exists('number_to_amount'))
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{
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/**
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* Converts numbers to a more readable representation
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* when dealing with very large numbers (in the thousands or above),
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* up to the quadrillions, because you won't often deal with numbers
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* larger than that.
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*
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* It uses the "short form" numbering system as this is most commonly
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* used within most English-speaking countries today.
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*
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* @see https://simple.wikipedia.org/wiki/Names_for_large_numbers
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*
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* @param string $num
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* @param integer $precision
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* @param string|null $locale
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*
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* @return boolean|string
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*/
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function number_to_amount($num, int $precision = 0, string $locale = null)
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{
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// Strip any formatting & ensure numeric input
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try
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{
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$num = 0 + str_replace(',', '', $num); // @phpstan-ignore-line
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}
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catch (ErrorException $ee)
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{
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return false;
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}
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$suffix = '';
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// ignore sub part
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$generalLocale = $locale;
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if (! empty($locale) && ($underscorePos = strpos($locale, '_')))
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{
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$generalLocale = substr($locale, 0, $underscorePos);
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}
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if ($num > 1000000000000000)
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{
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$suffix = lang('Number.quadrillion', [], $generalLocale);
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$num = round(($num / 1000000000000000), $precision);
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}
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elseif ($num > 1000000000000)
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{
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$suffix = lang('Number.trillion', [], $generalLocale);
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$num = round(($num / 1000000000000), $precision);
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}
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elseif ($num > 1000000000)
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{
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$suffix = lang('Number.billion', [], $generalLocale);
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$num = round(($num / 1000000000), $precision);
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}
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elseif ($num > 1000000)
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{
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$suffix = lang('Number.million', [], $generalLocale);
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$num = round(($num / 1000000), $precision);
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}
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elseif ($num > 1000)
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{
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$suffix = lang('Number.thousand', [], $generalLocale);
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$num = round(($num / 1000), $precision);
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}
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return format_number($num, $precision, $locale, ['after' => $suffix]);
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}
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}
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//--------------------------------------------------------------------
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if (! function_exists('number_to_currency'))
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{
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/**
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* @param float $num
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* @param string $currency
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* @param string $locale
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* @param integer $fraction
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*
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* @return string
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*/
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function number_to_currency(float $num, string $currency, string $locale = null, int $fraction = null): string
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{
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return format_number($num, 1, $locale, [
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'type' => NumberFormatter::CURRENCY,
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'currency' => $currency,
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'fraction' => $fraction,
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]);
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}
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}
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//--------------------------------------------------------------------
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if (! function_exists('format_number'))
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{
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/**
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* A general purpose, locale-aware, number_format method.
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* Used by all of the functions of the number_helper.
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*
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* @param float $num
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* @param integer $precision
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* @param string|null $locale
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* @param array $options
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*
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* @return string
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*/
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function format_number(float $num, int $precision = 1, string $locale = null, array $options = []): string
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{
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// Locale is either passed in here, negotiated with client, or grabbed from our config file.
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$locale = $locale ?? Services::request()->getLocale();
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// Type can be any of the NumberFormatter options, but provide a default.
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$type = (int) ($options['type'] ?? NumberFormatter::DECIMAL);
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$formatter = new NumberFormatter($locale, $type);
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// Try to format it per the locale
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if ($type === NumberFormatter::CURRENCY)
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{
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$formatter->setAttribute(NumberFormatter::FRACTION_DIGITS, $options['fraction']);
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$output = $formatter->formatCurrency($num, $options['currency']);
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}
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else
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{
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// In order to specify a precision, we'll have to modify
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// the pattern used by NumberFormatter.
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$pattern = '#,##0.' . str_repeat('#', $precision);
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$formatter->setPattern($pattern);
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$output = $formatter->format($num);
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}
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// This might lead a trailing period if $precision == 0
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$output = trim($output, '. ');
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if (intl_is_failure($formatter->getErrorCode()))
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{
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throw new BadFunctionCallException($formatter->getErrorMessage());
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}
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// Add on any before/after text.
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if (isset($options['before']) && is_string($options['before']))
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{
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$output = $options['before'] . $output;
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}
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if (isset($options['after']) && is_string($options['after']))
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{
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$output .= $options['after'];
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}
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return $output;
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}
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}
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//--------------------------------------------------------------------
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if (! function_exists('number_to_roman'))
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{
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/**
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* Convert a number to a roman numeral.
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*
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* @param string $num it will convert to int
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*
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* @return string|null
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*/
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function number_to_roman(string $num): ?string
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{
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$num = (int) $num;
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if ($num < 1 || $num > 3999)
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{
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return null;
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}
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$_number_to_roman = function ($num, $th) use (&$_number_to_roman) {
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$return = '';
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$key1 = null;
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$key2 = null;
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switch ($th) {
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case 1:
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$key1 = 'I';
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$key2 = 'V';
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$keyF = 'X';
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break;
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case 2:
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$key1 = 'X';
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$key2 = 'L';
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$keyF = 'C';
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break;
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case 3:
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$key1 = 'C';
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$key2 = 'D';
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$keyF = 'M';
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break;
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case 4:
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$key1 = 'M';
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break;
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}
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$n = $num % 10;
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switch ($n) {
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case 1:
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case 2:
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case 3:
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$return = str_repeat($key1, $n);
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break;
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case 4:
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$return = $key1 . $key2;
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break;
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case 5:
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$return = $key2;
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break;
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case 6:
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case 7:
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case 8:
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$return = $key2 . str_repeat($key1, $n - 5);
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break;
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case 9:
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$return = $key1 . $keyF; // @phpstan-ignore-line
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break;
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}
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switch ($num) {
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case 10:
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$return = $keyF; // @phpstan-ignore-line
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break;
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}
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if ($num > 10)
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{
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$return = $_number_to_roman($num / 10, ++ $th) . $return;
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}
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return $return;
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};
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return $_number_to_roman($num, 1);
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}
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}
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