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<?php |
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declare(strict_types=1); |
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namespace Yiisoft\Strings; |
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use InvalidArgumentException; |
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use function gettype; |
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use function in_array; |
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use function is_bool; |
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/** |
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* Provides static methods to work with numeric strings. |
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*/ |
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final class NumericHelper |
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{ |
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/** |
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* Converts number to its ordinal English form. For example, converts 13 to 13th, 2 to 2nd etc. |
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* |
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* @param float|int|string $value The number to get its ordinal value. |
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*/ |
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public static function toOrdinal(mixed $value): string |
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{ |
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if (!is_numeric($value)) { |
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$type = gettype($value); |
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throw new InvalidArgumentException("Value must be numeric. $type given."); |
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} |
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if (fmod((float)$value, 1) !== 0.00) { |
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return (string)$value; |
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} |
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if (in_array($value % 100, [11, 12, 13], true)) { |
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return $value . 'th'; |
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} |
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return match ($value % 10) { |
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1 => $value . 'st', |
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2 => $value . 'nd', |
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3 => $value . 'rd', |
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default => $value . 'th', |
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}; |
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} |
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/** |
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* Returns string representation of a number value without thousands separators and with dot as decimal separator. |
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* |
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* @param bool|float|int|string $value |
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* |
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* @throws InvalidArgumentException if value is not scalar. |
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*/ |
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public static function normalize(mixed $value): string |
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{ |
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/** @psalm-suppress DocblockTypeContradiction */ |
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if (!is_scalar($value)) { |
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$type = gettype($value); |
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throw new InvalidArgumentException("Value must be scalar. $type given."); |
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} |
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if (is_bool($value)) { |
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$value = $value ? '1' : '0'; |
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} else { |
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$value = (string)$value; |
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} |
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$value = str_replace([' ', ','], ['', '.'], $value); |
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return preg_replace('/\.(?=.*\.)/', '', $value); |
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} |
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/** |
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* Checks whether the given string is an integer number. |
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*/ |
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public static function isInteger(mixed $value): bool |
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{ |
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return filter_var($value, FILTER_VALIDATE_INT) !== false; |
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} |
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} |
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yiisoft /
strings
