Viewing file:  FormattedNumber.php (5.53 KB) -rw-r--r--
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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\Engine;
use PhpOffice\PhpSpreadsheet\Calculation\Calculation;
use PhpOffice\PhpSpreadsheet\Shared\StringHelper;
class FormattedNumber
{
/** Constants */
/** Regular Expressions */
private const STRING_REGEXP_FRACTION = '~^\s*(-?)((\d*)\s+)?(\d+\/\d+)\s*$~';
private const STRING_REGEXP_PERCENT = '~^(?:(?: *(?<PrefixedSign>[-+])? *\% *(?<PrefixedSign2>[-+])? *(?<PrefixedValue>[0-9]+\.?[0-9*]*(?:E[-+]?[0-9]*)?) *)|(?: *(?<PostfixedSign>[-+])? *(?<PostfixedValue>[0-9]+\.?[0-9]*(?:E[-+]?[0-9]*)?) *\% *))$~i';
// preg_quoted string for major currency symbols, with a %s for locale currency
private const CURRENCY_CONVERSION_LIST = '\$€£¥%s';
private const STRING_CONVERSION_LIST = [
[self::class, 'convertToNumberIfNumeric'],
[self::class, 'convertToNumberIfFraction'],
[self::class, 'convertToNumberIfPercent'],
[self::class, 'convertToNumberIfCurrency'],
];
/**
* Identify whether a string contains a formatted numeric value,
* and convert it to a numeric if it is.
*
* @param string $operand string value to test
*/
public static function convertToNumberIfFormatted(string &$operand): bool
{
foreach (self::STRING_CONVERSION_LIST as $conversionMethod) {
if ($conversionMethod($operand) === true) {
return true;
}
}
return false;
}
/**
* Identify whether a string contains a numeric value,
* and convert it to a numeric if it is.
*
* @param string $operand string value to test
*/
public static function convertToNumberIfNumeric(string &$operand): bool
{
$thousandsSeparator = preg_quote(StringHelper::getThousandsSeparator());
$value = preg_replace(['/(\d)' . $thousandsSeparator . '(\d)/u', '/([+-])\s+(\d)/u'], ['$1$2', '$1$2'], trim($operand));
$decimalSeparator = preg_quote(StringHelper::getDecimalSeparator());
$value = preg_replace(['/(\d)' . $decimalSeparator . '(\d)/u', '/([+-])\s+(\d)/u'], ['$1.$2', '$1$2'], $value ?? '');
if (is_numeric($value)) {
$operand = (float) $value;
return true;
}
return false;
}
/**
* Identify whether a string contains a fractional numeric value,
* and convert it to a numeric if it is.
*
* @param string $operand string value to test
*/
public static function convertToNumberIfFraction(string &$operand): bool
{
if (preg_match(self::STRING_REGEXP_FRACTION, $operand, $match)) {
$sign = ($match[1] === '-') ? '-' : '+';
$wholePart = ($match[3] === '') ? '' : ($sign . $match[3]);
$fractionFormula = '=' . $wholePart . $sign . $match[4];
$operand = Calculation::getInstance()->_calculateFormulaValue($fractionFormula);
return true;
}
return false;
}
/**
* Identify whether a string contains a percentage, and if so,
* convert it to a numeric.
*
* @param string $operand string value to test
*/
public static function convertToNumberIfPercent(string &$operand): bool
{
$thousandsSeparator = preg_quote(StringHelper::getThousandsSeparator());
$value = preg_replace('/(\d)' . $thousandsSeparator . '(\d)/u', '$1$2', trim($operand));
$decimalSeparator = preg_quote(StringHelper::getDecimalSeparator());
$value = preg_replace(['/(\d)' . $decimalSeparator . '(\d)/u', '/([+-])\s+(\d)/u'], ['$1.$2', '$1$2'], $value ?? '');
$match = [];
if ($value !== null && preg_match(self::STRING_REGEXP_PERCENT, $value, $match, PREG_UNMATCHED_AS_NULL)) {
//Calculate the percentage
$sign = ($match['PrefixedSign'] ?? $match['PrefixedSign2'] ?? $match['PostfixedSign']) ?? '';
$operand = (float) ($sign . ($match['PostfixedValue'] ?? $match['PrefixedValue'])) / 100;
return true;
}
return false;
}
/**
* Identify whether a string contains a currency value, and if so,
* convert it to a numeric.
*
* @param string $operand string value to test
*/
public static function convertToNumberIfCurrency(string &$operand): bool
{
$currencyRegexp = self::currencyMatcherRegexp();
$thousandsSeparator = preg_quote(StringHelper::getThousandsSeparator());
$value = preg_replace('/(\d)' . $thousandsSeparator . '(\d)/u', '$1$2', $operand);
$match = [];
if ($value !== null && preg_match($currencyRegexp, $value, $match, PREG_UNMATCHED_AS_NULL)) {
//Determine the sign
$sign = ($match['PrefixedSign'] ?? $match['PrefixedSign2'] ?? $match['PostfixedSign']) ?? '';
//Cast to a float
$operand = (float) ($sign . ($match['PostfixedValue'] ?? $match['PrefixedValue']));
return true;
}
return false;
}
public static function currencyMatcherRegexp(): string
{
$currencyCodes = sprintf(self::CURRENCY_CONVERSION_LIST, preg_quote(StringHelper::getCurrencyCode()));
$decimalSeparator = preg_quote(StringHelper::getDecimalSeparator());
return '~^(?:(?: *(?<PrefixedSign>[-+])? *(?<PrefixedCurrency>[' . $currencyCodes . ']) *(?<PrefixedSign2>[-+])? *(?<PrefixedValue>[0-9]+[' . $decimalSeparator . ']?[0-9*]*(?:E[-+]?[0-9]*)?) *)|(?: *(?<PostfixedSign>[-+])? *(?<PostfixedValue>[0-9]+' . $decimalSeparator . '?[0-9]*(?:E[-+]?[0-9]*)?) *(?<PostfixedCurrency>[' . $currencyCodes . ']) *))$~ui';
}
}
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