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<?php |
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declare(strict_types=1); |
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namespace Yiisoft\Db\Helper; |
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use Yiisoft\Db\Exception\InvalidArgumentException; |
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use function addslashes; |
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use function is_float; |
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use function mb_strrpos; |
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use function mb_strtolower; |
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use function mb_substr; |
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use function preg_replace; |
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use function rtrim; |
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use function str_replace; |
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use function trim; |
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/** |
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* Short implementation of StringHelper from Yii2. |
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*/ |
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final class StringHelper |
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{ |
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/** |
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* Returns the trailing name part of a path. |
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* |
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* This method is similar to the php function `basename()` except that it will treat both \ and / as directory |
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* separators, independent of the operating system. |
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* |
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* This method was mainly created to work on php namespaces. When working with real file paths, PHP's `basename()` |
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* should work fine for you. |
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* |
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* Note: this method isn't aware of the actual filesystem, or path components such as "..". |
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* |
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* @param string $path A path string. |
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* |
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* @return string The trailing name part of the given path. |
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* |
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* @link http://www.php.net/manual/en/function.basename.php |
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*/ |
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public static function baseName(string $path): string |
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{ |
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$path = rtrim(str_replace('\\', '/', $path), '/\\'); |
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$position = mb_strrpos($path, '/'); |
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if ($position !== false) { |
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return mb_substr($path, $position + 1); |
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} |
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return $path; |
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} |
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/** |
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* Returns string representation of a number value without a thousand separators and with dot as decimal separator. |
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* |
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* @param float|string $value The number value to be normalized. |
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*/ |
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public static function normalizeFloat(float|string $value): string |
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{ |
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if (is_float($value)) { |
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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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* Converts a PascalCase name into an ID in lowercase. |
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* |
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* Words in the ID may be concatenated using '_'. For example, 'PostTag' will be converted to 'post_tag'. |
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* |
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* @param string $input The string to be converted. |
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* |
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* @return string The resulting ID. |
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*/ |
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public static function pascalCaseToId(string $input): string |
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{ |
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$separator = '_'; |
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$result = preg_replace('/(?<=\p{L})(?<!\p{Lu})(\p{Lu})/u', addslashes($separator) . '\1', $input); |
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return mb_strtolower(trim($result, $separator)); |
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} |
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public static function toUuid(string $blobString) |
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{ |
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if (self::isValidUuid($blobString)) { |
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return $blobString; |
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} |
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if (strlen($blobString) === 16) { |
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$hex = bin2hex($blobString); |
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} elseif(strlen($blobString) === 32 && self::isValidHexUuid($blobString)) { |
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$hex = $blobString; |
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} else { |
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throw new InvalidArgumentException('Length of source data is should be 16 or 32 bytes.'); |
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} |
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return |
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substr($hex, 0, 8) . '-' . |
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substr($hex, 8, 4) . '-' . |
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substr($hex, 12, 4) . '-' . |
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substr($hex, 16, 4) . '-' . |
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substr($hex, 20) |
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; |
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} |
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public static function uuidToBlob(string $uuidString): string |
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{ |
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if (!self::isValidUuid($uuidString)) { |
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throw new InvalidArgumentException('Incorrect UUID.'); |
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} |
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return (string) hex2bin(str_replace('-', '', $uuidString)); |
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} |
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public static function isValidUuid(string $uuidString): bool |
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{ |
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return (bool) preg_match('/^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$/i', $uuidString); |
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} |
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public static function isValidHexUuid(string $uuidString): bool |
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{ |
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return (bool) preg_match('/^[0-9a-f]{32}$/i', $uuidString); |
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} |
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} |
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yiisoft /
db
