Файл: symfony-2.7/src/Symfony/Component/Intl/NumberFormatter/NumberFormatter.php
Строк: 1144
<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace SymfonyComponentIntlNumberFormatter;
use SymfonyComponentIntlExceptionNotImplementedException;
use SymfonyComponentIntlExceptionMethodNotImplementedException;
use SymfonyComponentIntlExceptionMethodArgumentNotImplementedException;
use SymfonyComponentIntlExceptionMethodArgumentValueNotImplementedException;
use SymfonyComponentIntlGlobalsIntlGlobals;
use SymfonyComponentIntlIntl;
use SymfonyComponentIntlLocaleLocale;
/**
* Replacement for PHP's native {@link NumberFormatter} class.
*
* The only methods currently supported in this class are:
*
* - {@link __construct}
* - {@link create}
* - {@link formatCurrency}
* - {@link format}
* - {@link getAttribute}
* - {@link getErrorCode}
* - {@link getErrorMessage}
* - {@link getLocale}
* - {@link parse}
* - {@link setAttribute}
*
* @author Eriksen Costa <eriksen.costa@infranology.com.br>
* @author Bernhard Schussek <bschussek@gmail.com>
*/
class NumberFormatter
{
/* Format style constants */
const PATTERN_DECIMAL = 0;
const DECIMAL = 1;
const CURRENCY = 2;
const PERCENT = 3;
const SCIENTIFIC = 4;
const SPELLOUT = 5;
const ORDINAL = 6;
const DURATION = 7;
const PATTERN_RULEBASED = 9;
const IGNORE = 0;
const DEFAULT_STYLE = 1;
/* Format type constants */
const TYPE_DEFAULT = 0;
const TYPE_INT32 = 1;
const TYPE_INT64 = 2;
const TYPE_DOUBLE = 3;
const TYPE_CURRENCY = 4;
/* Numeric attribute constants */
const PARSE_INT_ONLY = 0;
const GROUPING_USED = 1;
const DECIMAL_ALWAYS_SHOWN = 2;
const MAX_INTEGER_DIGITS = 3;
const MIN_INTEGER_DIGITS = 4;
const INTEGER_DIGITS = 5;
const MAX_FRACTION_DIGITS = 6;
const MIN_FRACTION_DIGITS = 7;
const FRACTION_DIGITS = 8;
const MULTIPLIER = 9;
const GROUPING_SIZE = 10;
const ROUNDING_MODE = 11;
const ROUNDING_INCREMENT = 12;
const FORMAT_WIDTH = 13;
const PADDING_POSITION = 14;
const SECONDARY_GROUPING_SIZE = 15;
const SIGNIFICANT_DIGITS_USED = 16;
const MIN_SIGNIFICANT_DIGITS = 17;
const MAX_SIGNIFICANT_DIGITS = 18;
const LENIENT_PARSE = 19;
/* Text attribute constants */
const POSITIVE_PREFIX = 0;
const POSITIVE_SUFFIX = 1;
const NEGATIVE_PREFIX = 2;
const NEGATIVE_SUFFIX = 3;
const PADDING_CHARACTER = 4;
const CURRENCY_CODE = 5;
const DEFAULT_RULESET = 6;
const PUBLIC_RULESETS = 7;
/* Format symbol constants */
const DECIMAL_SEPARATOR_SYMBOL = 0;
const GROUPING_SEPARATOR_SYMBOL = 1;
const PATTERN_SEPARATOR_SYMBOL = 2;
const PERCENT_SYMBOL = 3;
const ZERO_DIGIT_SYMBOL = 4;
const DIGIT_SYMBOL = 5;
const MINUS_SIGN_SYMBOL = 6;
const PLUS_SIGN_SYMBOL = 7;
const CURRENCY_SYMBOL = 8;
const INTL_CURRENCY_SYMBOL = 9;
const MONETARY_SEPARATOR_SYMBOL = 10;
const EXPONENTIAL_SYMBOL = 11;
const PERMILL_SYMBOL = 12;
const PAD_ESCAPE_SYMBOL = 13;
const INFINITY_SYMBOL = 14;
const NAN_SYMBOL = 15;
const SIGNIFICANT_DIGIT_SYMBOL = 16;
const MONETARY_GROUPING_SEPARATOR_SYMBOL = 17;
/* Rounding mode values used by NumberFormatter::setAttribute() with NumberFormatter::ROUNDING_MODE attribute */
const ROUND_CEILING = 0;
const ROUND_FLOOR = 1;
const ROUND_DOWN = 2;
const ROUND_UP = 3;
const ROUND_HALFEVEN = 4;
const ROUND_HALFDOWN = 5;
const ROUND_HALFUP = 6;
/* Pad position values used by NumberFormatter::setAttribute() with NumberFormatter::PADDING_POSITION attribute */
const PAD_BEFORE_PREFIX = 0;
const PAD_AFTER_PREFIX = 1;
const PAD_BEFORE_SUFFIX = 2;
const PAD_AFTER_SUFFIX = 3;
/**
* The error code from the last operation.
*
* @var int
*/
protected $errorCode = IntlGlobals::U_ZERO_ERROR;
/**
* The error message from the last operation.
*
* @var string
*/
protected $errorMessage = 'U_ZERO_ERROR';
/**
* @var int
*/
private $style;
/**
* Default values for the en locale.
*
* @var array
*/
private $attributes = array(
self::FRACTION_DIGITS => 0,
self::GROUPING_USED => 1,
self::ROUNDING_MODE => self::ROUND_HALFEVEN,
);
/**
* Holds the initialized attributes code.
*
* @var array
*/
private $initializedAttributes = array();
/**
* The supported styles to the constructor $styles argument.
*
* @var array
*/
private static $supportedStyles = array(
'CURRENCY' => self::CURRENCY,
'DECIMAL' => self::DECIMAL,
);
/**
* Supported attributes to the setAttribute() $attr argument.
*
* @var array
*/
private static $supportedAttributes = array(
'FRACTION_DIGITS' => self::FRACTION_DIGITS,
'GROUPING_USED' => self::GROUPING_USED,
'ROUNDING_MODE' => self::ROUNDING_MODE,
);
/**
* The available rounding modes for setAttribute() usage with
* NumberFormatter::ROUNDING_MODE. NumberFormatter::ROUND_DOWN
* and NumberFormatter::ROUND_UP does not have a PHP only equivalent.
*
* @var array
*/
private static $roundingModes = array(
'ROUND_HALFEVEN' => self::ROUND_HALFEVEN,
'ROUND_HALFDOWN' => self::ROUND_HALFDOWN,
'ROUND_HALFUP' => self::ROUND_HALFUP,
'ROUND_CEILING' => self::ROUND_CEILING,
'ROUND_FLOOR' => self::ROUND_FLOOR,
'ROUND_DOWN' => self::ROUND_DOWN,
'ROUND_UP' => self::ROUND_UP,
);
/**
* The mapping between NumberFormatter rounding modes to the available
* modes in PHP's round() function.
*
* @see http://www.php.net/manual/en/function.round.php
*
* @var array
*/
private static $phpRoundingMap = array(
self::ROUND_HALFDOWN => PHP_ROUND_HALF_DOWN,
self::ROUND_HALFEVEN => PHP_ROUND_HALF_EVEN,
self::ROUND_HALFUP => PHP_ROUND_HALF_UP,
);
/**
* The list of supported rounding modes which aren't available modes in
* PHP's round() function, but there's an equivalent. Keys are rounding
* modes, values does not matter.
*
* @var array
*/
private static $customRoundingList = array(
self::ROUND_CEILING => true,
self::ROUND_FLOOR => true,
self::ROUND_DOWN => true,
self::ROUND_UP => true,
);
/**
* The maximum values of the integer type in 32 bit platforms.
*
* @var array
*/
private static $int32Range = array(
'positive' => 2147483647,
'negative' => -2147483648,
);
/**
* The maximum values of the integer type in 64 bit platforms.
*
* @var array
*/
private static $int64Range = array(
'positive' => 9223372036854775807,
'negative' => -9223372036854775808,
);
private static $enSymbols = array(
self::DECIMAL => array('.', ',', ';', '%', '0', '#', '-', '+', '¤', '¤¤', '.', 'E', '‰', '*', '∞', 'NaN', '@', ','),
self::CURRENCY => array('.', ',', ';', '%', '0', '#', '-', '+', '¤', '¤¤', '.', 'E', '‰', '*', '∞', 'NaN', '@', ','),
);
private static $enTextAttributes = array(
self::DECIMAL => array('', '', '-', '', '*', '', ''),
self::CURRENCY => array('¤', '', '(¤', ')', '*', ''),
);
/**
* Constructor.
*
* @param string $locale The locale code. The only currently supported locale is "en".
* @param int $style Style of the formatting, one of the format style constants.
* The only supported styles are NumberFormatter::DECIMAL
* and NumberFormatter::CURRENCY.
* @param string $pattern Not supported. A pattern string in case $style is NumberFormat::PATTERN_DECIMAL or
* NumberFormat::PATTERN_RULEBASED. It must conform to the syntax
* described in the ICU DecimalFormat or ICU RuleBasedNumberFormat documentation
*
* @see http://www.php.net/manual/en/numberformatter.create.php
* @see http://www.icu-project.org/apiref/icu4c/classDecimalFormat.html#_details
* @see http://www.icu-project.org/apiref/icu4c/classRuleBasedNumberFormat.html#_details
*
* @throws MethodArgumentValueNotImplementedException When $locale different than "en" is passed
* @throws MethodArgumentValueNotImplementedException When the $style is not supported
* @throws MethodArgumentNotImplementedException When the pattern value is different than null
*/
public function __construct($locale = 'en', $style = null, $pattern = null)
{
if ('en' != $locale) {
throw new MethodArgumentValueNotImplementedException(__METHOD__, 'locale', $locale, 'Only the locale "en" is supported');
}
if (!in_array($style, self::$supportedStyles)) {
$message = sprintf('The available styles are: %s.', implode(', ', array_keys(self::$supportedStyles)));
throw new MethodArgumentValueNotImplementedException(__METHOD__, 'style', $style, $message);
}
if (null !== $pattern) {
throw new MethodArgumentNotImplementedException(__METHOD__, 'pattern');
}
$this->style = $style;
}
/**
* Static constructor.
*
* @param string $locale The locale code. The only supported locale is "en".
* @param int $style Style of the formatting, one of the format style constants.
* The only currently supported styles are NumberFormatter::DECIMAL
* and NumberFormatter::CURRENCY.
* @param string $pattern Not supported. A pattern string in case $style is NumberFormat::PATTERN_DECIMAL or
* NumberFormat::PATTERN_RULEBASED. It must conform to the syntax
* described in the ICU DecimalFormat or ICU RuleBasedNumberFormat documentation
*
* @return NumberFormatter
*
* @see http://www.php.net/manual/en/numberformatter.create.php
* @see http://www.icu-project.org/apiref/icu4c/classDecimalFormat.html#_details
* @see http://www.icu-project.org/apiref/icu4c/classRuleBasedNumberFormat.html#_details
*
* @throws MethodArgumentValueNotImplementedException When $locale different than "en" is passed
* @throws MethodArgumentValueNotImplementedException When the $style is not supported
* @throws MethodArgumentNotImplementedException When the pattern value is different than null
*/
public static function create($locale = 'en', $style = null, $pattern = null)
{
return new self($locale, $style, $pattern);
}
/**
* Format a currency value.
*
* @param float $value The numeric currency value
* @param string $currency The 3-letter ISO 4217 currency code indicating the currency to use
*
* @return string The formatted currency value
*
* @see http://www.php.net/manual/en/numberformatter.formatcurrency.php
* @see http://www.iso.org/iso/support/faqs/faqs_widely_used_standards/widely_used_standards_other/currency_codes/currency_codes_list-1.htm
*/
public function formatCurrency($value, $currency)
{
if ($this->style == self::DECIMAL) {
return $this->format($value);
}
$symbol = Intl::getCurrencyBundle()->getCurrencySymbol($currency, 'en');
$fractionDigits = Intl::getCurrencyBundle()->getFractionDigits($currency);
$value = $this->roundCurrency($value, $currency);
$negative = false;
if (0 > $value) {
$negative = true;
$value *= -1;
}
$value = $this->formatNumber($value, $fractionDigits);
$ret = $symbol.$value;
return $negative ? '('.$ret.')' : $ret;
}
/**
* Format a number.
*
* @param number $value The value to format
* @param int $type Type of the formatting, one of the format type constants.
* Only type NumberFormatter::TYPE_DEFAULT is currently supported.
*
* @return bool|string The formatted value or false on error
*
* @see http://www.php.net/manual/en/numberformatter.format.php
*
* @throws NotImplementedException If the method is called with the class $style 'CURRENCY'
* @throws MethodArgumentValueNotImplementedException If the $type is different than TYPE_DEFAULT
*/
public function format($value, $type = self::TYPE_DEFAULT)
{
// The original NumberFormatter does not support this format type
if ($type == self::TYPE_CURRENCY) {
trigger_error(__METHOD__.'(): Unsupported format type '.$type, E_USER_WARNING);
return false;
}
if ($this->style == self::CURRENCY) {
throw new NotImplementedException(sprintf(
'%s() method does not support the formatting of currencies (instance with CURRENCY style). %s',
__METHOD__, NotImplementedException::INTL_INSTALL_MESSAGE
));
}
// Only the default type is supported.
if ($type != self::TYPE_DEFAULT) {
throw new MethodArgumentValueNotImplementedException(__METHOD__, 'type', $type, 'Only TYPE_DEFAULT is supported');
}
$fractionDigits = $this->getAttribute(self::FRACTION_DIGITS);
$value = $this->round($value, $fractionDigits);
$value = $this->formatNumber($value, $fractionDigits);
// behave like the intl extension
$this->resetError();
return $value;
}
/**
* Returns an attribute value.
*
* @param int $attr An attribute specifier, one of the numeric attribute constants
*
* @return bool|int The attribute value on success or false on error
*
* @see http://www.php.net/manual/en/numberformatter.getattribute.php
*/
public function getAttribute($attr)
{
return isset($this->attributes[$attr]) ? $this->attributes[$attr] : null;
}
/**
* Returns formatter's last error code. Always returns the U_ZERO_ERROR class constant value.
*
* @return int The error code from last formatter call
*
* @see http://www.php.net/manual/en/numberformatter.geterrorcode.php
*/
public function getErrorCode()
{
return $this->errorCode;
}
/**
* Returns formatter's last error message. Always returns the U_ZERO_ERROR_MESSAGE class constant value.
*
* @return string The error message from last formatter call
*
* @see http://www.php.net/manual/en/numberformatter.geterrormessage.php
*/
public function getErrorMessage()
{
return $this->errorMessage;
}
/**
* Returns the formatter's locale.
*
* The parameter $type is currently ignored.
*
* @param int $type Not supported. The locale name type to return (Locale::VALID_LOCALE or Locale::ACTUAL_LOCALE)
*
* @return string The locale used to create the formatter. Currently always
* returns "en".
*
* @see http://www.php.net/manual/en/numberformatter.getlocale.php
*/
public function getLocale($type = Locale::ACTUAL_LOCALE)
{
return 'en';
}
/**
* Not supported. Returns the formatter's pattern.
*
* @return bool|string The pattern string used by the formatter or false on error
*
* @see http://www.php.net/manual/en/numberformatter.getpattern.php
*
* @throws MethodNotImplementedException
*/
public function getPattern()
{
throw new MethodNotImplementedException(__METHOD__);
}
/**
* Not supported. Returns a formatter symbol value.
*
* @param int $attr A symbol specifier, one of the format symbol constants
*
* @return bool|string The symbol value or false on error
*
* @see http://www.php.net/manual/en/numberformatter.getsymbol.php
*/
public function getSymbol($attr)
{
return array_key_exists($this->style, self::$enSymbols) && array_key_exists($attr, self::$enSymbols[$this->style]) ? self::$enSymbols[$this->style][$attr] : false;
}
/**
* Not supported. Returns a formatter text attribute value.
*
* @param int $attr An attribute specifier, one of the text attribute constants
*
* @return bool|string The attribute value or false on error
*
* @see http://www.php.net/manual/en/numberformatter.gettextattribute.php
*/
public function getTextAttribute($attr)
{
return array_key_exists($this->style, self::$enTextAttributes) && array_key_exists($attr, self::$enTextAttributes[$this->style]) ? self::$enTextAttributes[$this->style][$attr] : false;
}
/**
* Not supported. Parse a currency number.
*
* @param string $value The value to parse
* @param string $currency Parameter to receive the currency name (reference)
* @param int $position Offset to begin the parsing on return this value will hold the offset at which the parsing ended
*
* @return bool|string The parsed numeric value of false on error
*
* @see http://www.php.net/manual/en/numberformatter.parsecurrency.php
*
* @throws MethodNotImplementedException
*/
public function parseCurrency($value, &$currency, &$position = null)
{
throw new MethodNotImplementedException(__METHOD__);
}
/**
* Parse a number.
*
* @param string $value The value to parse
* @param int $type Type of the formatting, one of the format type constants. NumberFormatter::TYPE_DOUBLE by default
* @param int $position Offset to begin the parsing on return this value will hold the offset at which the parsing ended
*
* @return bool|string The parsed value of false on error
*
* @see http://www.php.net/manual/en/numberformatter.parse.php
*/
public function parse($value, $type = self::TYPE_DOUBLE, &$position = 0)
{
if ($type == self::TYPE_DEFAULT || $type == self::TYPE_CURRENCY) {
trigger_error(__METHOD__.'(): Unsupported format type '.$type, E_USER_WARNING);
return false;
}
preg_match('/^([^0-9-.]{0,})(.*)/', $value, $matches);
// Any string before the numeric value causes error in the parsing
if (isset($matches[1]) && !empty($matches[1])) {
IntlGlobals::setError(IntlGlobals::U_PARSE_ERROR, 'Number parsing failed');
$this->errorCode = IntlGlobals::getErrorCode();
$this->errorMessage = IntlGlobals::getErrorMessage();
$position = 0;
return false;
}
preg_match('/^[0-9-.,]*/', $value, $matches);
$value = preg_replace('/[^0-9.-]/', '', $matches[0]);
$value = $this->convertValueDataType($value, $type);
$position = strlen($matches[0]);
// behave like the intl extension
$this->resetError();
return $value;
}
/**
* Set an attribute.
*
* @param int $attr An attribute specifier, one of the numeric attribute constants.
* The only currently supported attributes are NumberFormatter::FRACTION_DIGITS,
* NumberFormatter::GROUPING_USED and NumberFormatter::ROUNDING_MODE.
* @param int $value The attribute value.
*
* @return bool true on success or false on failure
*
* @see http://www.php.net/manual/en/numberformatter.setattribute.php
*
* @throws MethodArgumentValueNotImplementedException When the $attr is not supported
* @throws MethodArgumentValueNotImplementedException When the $value is not supported
*/
public function setAttribute($attr, $value)
{
if (!in_array($attr, self::$supportedAttributes)) {
$message = sprintf(
'The available attributes are: %s',
implode(', ', array_keys(self::$supportedAttributes))
);
throw new MethodArgumentValueNotImplementedException(__METHOD__, 'attr', $value, $message);
}
if (self::$supportedAttributes['ROUNDING_MODE'] == $attr && $this->isInvalidRoundingMode($value)) {
$message = sprintf(
'The supported values for ROUNDING_MODE are: %s',
implode(', ', array_keys(self::$roundingModes))
);
throw new MethodArgumentValueNotImplementedException(__METHOD__, 'attr', $value, $message);
}
if (self::$supportedAttributes['GROUPING_USED'] == $attr) {
$value = $this->normalizeGroupingUsedValue($value);
}
if (self::$supportedAttributes['FRACTION_DIGITS'] == $attr) {
$value = $this->normalizeFractionDigitsValue($value);
}
$this->attributes[$attr] = $value;
$this->initializedAttributes[$attr] = true;
return true;
}
/**
* Not supported. Set the formatter's pattern.
*
* @param string $pattern A pattern string in conformance with the ICU DecimalFormat documentation
*
* @return bool true on success or false on failure
*
* @see http://www.php.net/manual/en/numberformatter.setpattern.php
* @see http://www.icu-project.org/apiref/icu4c/classDecimalFormat.html#_details
*
* @throws MethodNotImplementedException
*/
public function setPattern($pattern)
{
throw new MethodNotImplementedException(__METHOD__);
}
/**
* Not supported. Set the formatter's symbol.
*
* @param int $attr A symbol specifier, one of the format symbol constants
* @param string $value The value for the symbol
*
* @return bool true on success or false on failure
*
* @see http://www.php.net/manual/en/numberformatter.setsymbol.php
*
* @throws MethodNotImplementedException
*/
public function setSymbol($attr, $value)
{
throw new MethodNotImplementedException(__METHOD__);
}
/**
* Not supported. Set a text attribute.
*
* @param int $attr An attribute specifier, one of the text attribute constants
* @param int $value The attribute value
*
* @return bool true on success or false on failure
*
* @see http://www.php.net/manual/en/numberformatter.settextattribute.php
*
* @throws MethodNotImplementedException
*/
public function setTextAttribute($attr, $value)
{
throw new MethodNotImplementedException(__METHOD__);
}
/**
* Set the error to the default U_ZERO_ERROR.
*/
protected function resetError()
{
IntlGlobals::setError(IntlGlobals::U_ZERO_ERROR);
$this->errorCode = IntlGlobals::getErrorCode();
$this->errorMessage = IntlGlobals::getErrorMessage();
}
/**
* Rounds a currency value, applying increment rounding if applicable.
*
* When a currency have a rounding increment, an extra round is made after the first one. The rounding factor is
* determined in the ICU data and is explained as of:
*
* "the rounding increment is given in units of 10^(-fraction_digits)"
*
* The only actual rounding data as of this writing, is CHF.
*
* @param float $value The numeric currency value
* @param string $currency The 3-letter ISO 4217 currency code indicating the currency to use
*
* @return string The rounded numeric currency value
*
* @see http://en.wikipedia.org/wiki/Swedish_rounding
* @see http://www.docjar.com/html/api/com/ibm/icu/util/Currency.java.html#1007
*/
private function roundCurrency($value, $currency)
{
$fractionDigits = Intl::getCurrencyBundle()->getFractionDigits($currency);
$roundingIncrement = Intl::getCurrencyBundle()->getRoundingIncrement($currency);
// Round with the formatter rounding mode
$value = $this->round($value, $fractionDigits);
// Swiss rounding
if (0 < $roundingIncrement && 0 < $fractionDigits) {
$roundingFactor = $roundingIncrement / pow(10, $fractionDigits);
$value = round($value / $roundingFactor) * $roundingFactor;
}
return $value;
}
/**
* Rounds a value.
*
* @param int|float $value The value to round
* @param int $precision The number of decimal digits to round to
*
* @return int|float The rounded value
*/
private function round($value, $precision)
{
$precision = $this->getUninitializedPrecision($value, $precision);
$roundingModeAttribute = $this->getAttribute(self::ROUNDING_MODE);
if (isset(self::$phpRoundingMap[$roundingModeAttribute])) {
$value = round($value, $precision, self::$phpRoundingMap[$roundingModeAttribute]);
} elseif (isset(self::$customRoundingList[$roundingModeAttribute])) {
$roundingCoef = pow(10, $precision);
$value *= $roundingCoef;
switch ($roundingModeAttribute) {
case self::ROUND_CEILING:
$value = ceil($value);
break;
case self::ROUND_FLOOR:
$value = floor($value);
break;
case self::ROUND_UP:
$value = $value > 0 ? ceil($value) : floor($value);
break;
case self::ROUND_DOWN:
$value = $value > 0 ? floor($value) : ceil($value);
break;
}
$value /= $roundingCoef;
}
return $value;
}
/**
* Formats a number.
*
* @param int|float $value The numeric value to format
* @param int $precision The number of decimal digits to use
*
* @return string The formatted number
*/
private function formatNumber($value, $precision)
{
$precision = $this->getUninitializedPrecision($value, $precision);
return number_format($value, $precision, '.', $this->getAttribute(self::GROUPING_USED) ? ',' : '');
}
/**
* Returns the precision value if the DECIMAL style is being used and the FRACTION_DIGITS attribute is uninitialized.
*
* @param int|float $value The value to get the precision from if the FRACTION_DIGITS attribute is uninitialized
* @param int $precision The precision value to returns if the FRACTION_DIGITS attribute is initialized
*
* @return int The precision value
*/
private function getUninitializedPrecision($value, $precision)
{
if ($this->style == self::CURRENCY) {
return $precision;
}
if (!$this->isInitializedAttribute(self::FRACTION_DIGITS)) {
preg_match('/.*.(.*)/', (string) $value, $digits);
if (isset($digits[1])) {
$precision = strlen($digits[1]);
}
}
return $precision;
}
/**
* Check if the attribute is initialized (value set by client code).
*
* @param string $attr The attribute name
*
* @return bool true if the value was set by client, false otherwise
*/
private function isInitializedAttribute($attr)
{
return isset($this->initializedAttributes[$attr]);
}
/**
* Returns the numeric value using the $type to convert to the right data type.
*
* @param mixed $value The value to be converted
* @param int $type The type to convert. Can be TYPE_DOUBLE (float) or TYPE_INT32 (int)
*
* @return int|float The converted value
*/
private function convertValueDataType($value, $type)
{
if ($type == self::TYPE_DOUBLE) {
$value = (float) $value;
} elseif ($type == self::TYPE_INT32) {
$value = $this->getInt32Value($value);
} elseif ($type == self::TYPE_INT64) {
$value = $this->getInt64Value($value);
}
return $value;
}
/**
* Convert the value data type to int or returns false if the value is out of the integer value range.
*
* @param mixed $value The value to be converted
*
* @return int The converted value
*/
private function getInt32Value($value)
{
if ($value > self::$int32Range['positive'] || $value < self::$int32Range['negative']) {
return false;
}
return (int) $value;
}
/**
* Convert the value data type to int or returns false if the value is out of the integer value range.
*
* @param mixed $value The value to be converted
*
* @return int|float The converted value
*
* @see https://bugs.php.net/bug.php?id=59597 Bug #59597
*/
private function getInt64Value($value)
{
if ($value > self::$int64Range['positive'] || $value < self::$int64Range['negative']) {
return false;
}
if (PHP_INT_SIZE !== 8 && ($value > self::$int32Range['positive'] || $value <= self::$int32Range['negative'])) {
// Bug #59597 was fixed on PHP 5.3.14 and 5.4.4
// The negative PHP_INT_MAX was being converted to float
if (
$value == self::$int32Range['negative'] &&
((PHP_VERSION_ID < 50400 && PHP_VERSION_ID >= 50314) || PHP_VERSION_ID >= 50404)
) {
return (int) $value;
}
return (float) $value;
}
if (PHP_INT_SIZE === 8) {
// Bug #59597 was fixed on PHP 5.3.14 and 5.4.4
// A 32 bit integer was being generated instead of a 64 bit integer
if (
($value > self::$int32Range['positive'] || $value < self::$int32Range['negative']) &&
(PHP_VERSION_ID < 50314 || (PHP_VERSION_ID >= 50400 && PHP_VERSION_ID < 50404))
) {
$value = (-2147483648 - ($value % -2147483648)) * ($value / abs($value));
}
}
return (int) $value;
}
/**
* Check if the rounding mode is invalid.
*
* @param int $value The rounding mode value to check
*
* @return bool true if the rounding mode is invalid, false otherwise
*/
private function isInvalidRoundingMode($value)
{
if (in_array($value, self::$roundingModes, true)) {
return false;
}
return true;
}
/**
* Returns the normalized value for the GROUPING_USED attribute. Any value that can be converted to int will be
* cast to Boolean and then to int again. This way, negative values are converted to 1 and string values to 0.
*
* @param mixed $value The value to be normalized
*
* @return int The normalized value for the attribute (0 or 1)
*/
private function normalizeGroupingUsedValue($value)
{
return (int) (bool) (int) $value;
}
/**
* Returns the normalized value for the FRACTION_DIGITS attribute. The value is converted to int and if negative,
* the returned value will be 0.
*
* @param mixed $value The value to be normalized
*
* @return int The normalized value for the attribute
*/
private function normalizeFractionDigitsValue($value)
{
$value = (int) $value;
return (0 > $value) ? 0 : $value;
}
}