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<?php |
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declare(strict_types=1); |
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namespace EngineWorks\DBAL\Internal; |
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/** |
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* This class parses a string expression as a number or as in plain english (as need to put inside a sql statement) |
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* |
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* @internal |
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*/ |
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class NumericParser |
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{ |
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use ConvertObjectToStringMethod; |
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/** |
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* Contains the running locale information |
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* @var array{decimal_point: string, thousands_sep: string, currency_symbol: string}|null |
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*/ |
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private $localeConv = null; |
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/** |
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* @param mixed $value |
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* @param bool $asInteger |
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* @return int|float |
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*/ |
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317 |
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public function parse($value, bool $asInteger) |
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{ |
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// return simple numeric data |
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if (is_bool($value) || is_int($value) || is_float($value)) { |
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return ($asInteger) ? intval($value) : floatval($value); |
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} |
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// is object, convert to string |
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if (is_object($value)) { |
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$value = $this->convertObjectToString($value); |
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} |
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// is not string, early exit with 0 |
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if (! is_string($value)) { |
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return 0; |
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} |
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317 |
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$value = $this->parseToEnglish(trim($value)); |
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return ($asInteger) ? intval($value) : floatval($value); |
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} |
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/** |
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* @param mixed $value |
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* @param bool $asInteger |
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* @return string |
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*/ |
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317 |
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public function parseAsEnglish($value, bool $asInteger): string |
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{ |
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return $this->numberToEnglish((string) $this->parse($value, $asInteger)); |
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} |
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/** |
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* @return array{decimal_point: string, thousands_sep: string, currency_symbol: string} |
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*/ |
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317 |
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protected function getLocaleInfo(): array |
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{ |
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317 |
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if (null === $this->localeConv) { |
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$this->localeConv = $this->obtainLocaleInfo(); |
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} |
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return $this->localeConv; |
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} |
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/** |
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* @return array{decimal_point: string, thousands_sep: string, currency_symbol: string} |
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*/ |
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317 |
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protected function obtainLocaleInfo(): array |
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{ |
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317 |
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if ('C' === setlocale(LC_NUMERIC, '0')) { |
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// override to us_EN |
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return ['decimal_point' => '.', 'thousands_sep' => ',', 'currency_symbol' => '$']; |
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} |
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317 |
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$locale = localeconv(); |
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return [ |
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'decimal_point' => strval($locale['decimal_point'] ?? '.'), |
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317 |
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'thousands_sep' => strval($locale['thousands_sep'] ?? ','), |
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'currency_symbol' => strval($locale['currency_symbol'] ?? '$'), |
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]; |
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} |
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/** |
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* Remove the thousand separator, currency symbol and white spaces. |
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* Returns the resulting string if is numeric, otherwise returns '0' |
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* |
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* @param string $value |
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* @return string |
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*/ |
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317 |
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protected function parseToEnglish(string $value): string |
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{ |
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317 |
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if (ctype_digit($value)) { |
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return $value; |
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} |
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$localeConv = $this->getLocaleInfo(); |
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$replacements = [$localeConv['thousands_sep'], $localeConv['currency_symbol'], ' ', "\t"]; |
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$value = $this->numberToEnglish(str_replace($replacements, '', $value)); |
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return (! is_numeric($value)) ? '0' : $value; |
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} |
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/** |
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* Change decimal point to a real point |
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* @param string $value |
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* @return string |
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*/ |
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317 |
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protected function numberToEnglish(string $value): string |
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{ |
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if ('.' !== $this->getDecimalPoint()) { |
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return str_replace($this->getDecimalPoint(), '.', $value); |
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} |
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return $value; |
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} |
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317 |
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protected function getDecimalPoint(): string |
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{ |
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return $this->getLocaleInfo()['decimal_point']; |
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} |
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} |
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eclipxe13 /
engineworks-dbal
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