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Toks Law
2024-09-06 13:32:15 -04:00
commit 700e8a2948
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system/Helpers/number_helper.php
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<?php
declare(strict_types=1);
/**
* This file is part of CodeIgniter 4 framework.
*
* (c) CodeIgniter Foundation <admin@codeigniter.com>
*
* For the full copyright and license information, please view
* the LICENSE file that was distributed with this source code.
*/
// CodeIgniter Number Helpers
if (! function_exists('number_to_size')) {
/**
* Formats a numbers as bytes, based on size, and adds the appropriate suffix
*
* @param int|string $num Will be cast as int
* @param non-empty-string|null $locale [optional]
*
* @return bool|string
*/
function number_to_size($num, int $precision = 1, ?string $locale = null)
{
// Strip any formatting & ensure numeric input
try {
// @phpstan-ignore-next-line
$num = 0 + str_replace(',', '', (string) $num);
} catch (ErrorException) {
// Catch "Warning: A non-numeric value encountered"
return false;
}
// ignore sub part
$generalLocale = $locale;
if ($locale !== null && $locale !== '' && ($underscorePos = strpos($locale, '_'))) {
$generalLocale = substr($locale, 0, $underscorePos);
}
if ($num >= 1_000_000_000_000) {
$num = round($num / 1_099_511_627_776, $precision);
$unit = lang('Number.terabyteAbbr', [], $generalLocale);
} elseif ($num >= 1_000_000_000) {
$num = round($num / 1_073_741_824, $precision);
$unit = lang('Number.gigabyteAbbr', [], $generalLocale);
} elseif ($num >= 1_000_000) {
$num = round($num / 1_048_576, $precision);
$unit = lang('Number.megabyteAbbr', [], $generalLocale);
} elseif ($num >= 1000) {
$num = round($num / 1024, $precision);
$unit = lang('Number.kilobyteAbbr', [], $generalLocale);
} else {
$unit = lang('Number.bytes', [], $generalLocale);
}
return format_number($num, $precision, $locale, ['after' => ' ' . $unit]);
}
}
if (! function_exists('number_to_amount')) {
/**
* Converts numbers to a more readable representation
* when dealing with very large numbers (in the thousands or above),
* up to the quadrillions, because you won't often deal with numbers
* larger than that.
*
* It uses the "short form" numbering system as this is most commonly
* used within most English-speaking countries today.
*
* @see https://simple.wikipedia.org/wiki/Names_for_large_numbers
*
* @param int|string $num Will be cast as int
* @param int $precision [optional] The optional number of decimal digits to round to.
* @param non-empty-string|null $locale [optional]
*
* @return bool|string
*/
function number_to_amount($num, int $precision = 0, ?string $locale = null)
{
// Strip any formatting & ensure numeric input
try {
// @phpstan-ignore-next-line
$num = 0 + str_replace(',', '', (string) $num);
} catch (ErrorException) {
// Catch "Warning: A non-numeric value encountered"
return false;
}
$suffix = '';
// ignore sub part
$generalLocale = $locale;
if ($locale !== null && $locale !== '' && ($underscorePos = strpos($locale, '_'))) {
$generalLocale = substr($locale, 0, $underscorePos);
}
if ($num >= 1_000_000_000_000_000) {
$suffix = lang('Number.quadrillion', [], $generalLocale);
$num = round(($num / 1_000_000_000_000_000), $precision);
} elseif ($num >= 1_000_000_000_000) {
$suffix = lang('Number.trillion', [], $generalLocale);
$num = round(($num / 1_000_000_000_000), $precision);
} elseif ($num >= 1_000_000_000) {
$suffix = lang('Number.billion', [], $generalLocale);
$num = round(($num / 1_000_000_000), $precision);
} elseif ($num >= 1_000_000) {
$suffix = lang('Number.million', [], $generalLocale);
$num = round(($num / 1_000_000), $precision);
} elseif ($num >= 1000) {
$suffix = lang('Number.thousand', [], $generalLocale);
$num = round(($num / 1000), $precision);
}
return format_number($num, $precision, $locale, ['after' => $suffix]);
}
}
if (! function_exists('number_to_currency')) {
function number_to_currency(float $num, string $currency, ?string $locale = null, int $fraction = 0): string
{
return format_number($num, 1, $locale, [
'type' => NumberFormatter::CURRENCY,
'currency' => $currency,
'fraction' => $fraction,
]);
}
}
if (! function_exists('format_number')) {
/**
* A general purpose, locale-aware, number_format method.
* Used by all of the functions of the number_helper.
*/
function format_number(float $num, int $precision = 1, ?string $locale = null, array $options = []): string
{
// If locale is not passed, get from the default locale that is set from our config file
// or set by HTTP content negotiation.
$locale ??= Locale::getDefault();
// Type can be any of the NumberFormatter options, but provide a default.
$type = (int) ($options['type'] ?? NumberFormatter::DECIMAL);
$formatter = new NumberFormatter($locale, $type);
// Try to format it per the locale
if ($type === NumberFormatter::CURRENCY) {
$formatter->setAttribute(NumberFormatter::FRACTION_DIGITS, (float) $options['fraction']);
$output = $formatter->formatCurrency($num, $options['currency']);
} else {
// In order to specify a precision, we'll have to modify
// the pattern used by NumberFormatter.
$pattern = '#,##0.' . str_repeat('#', $precision);
$formatter->setPattern($pattern);
$output = $formatter->format($num);
}
// This might lead a trailing period if $precision == 0
$output = trim($output, '. ');
if (intl_is_failure($formatter->getErrorCode())) {
throw new BadFunctionCallException($formatter->getErrorMessage());
}
// Add on any before/after text.
if (isset($options['before']) && is_string($options['before'])) {
$output = $options['before'] . $output;
}
if (isset($options['after']) && is_string($options['after'])) {
$output .= $options['after'];
}
return $output;
}
}
if (! function_exists('number_to_roman')) {
/**
* Convert a number to a roman numeral.
*
* @param int|string $num it will convert to int
*/
function number_to_roman($num): ?string
{
static $map = [
'M' => 1000,
'CM' => 900,
'D' => 500,
'CD' => 400,
'C' => 100,
'XC' => 90,
'L' => 50,
'XL' => 40,
'X' => 10,
'IX' => 9,
'V' => 5,
'IV' => 4,
'I' => 1,
];
$num = (int) $num;
if ($num < 1 || $num > 3999) {
return null;
}
$result = '';
foreach ($map as $roman => $arabic) {
$repeat = (int) floor($num / $arabic);
$result .= str_repeat($roman, $repeat);
$num %= $arabic;
}
return $result;
}
}