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<?php |
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namespace phpbu\App\Util; |
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use RuntimeException; |
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/** |
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* String utility class |
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* |
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* @package phpbu |
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* @subpackage Util |
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* @author Sebastian Feldmann <[email protected]> |
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* @copyright Sebastian Feldmann <[email protected]> |
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* @license https://opensource.org/licenses/MIT The MIT License (MIT) |
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* @link https://phpbu.de/ |
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* @since Class available since Release 1.0.0 |
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*/ |
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class Str |
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{ |
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/** |
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* Converts a given value to a bool |
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* |
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* @param string $value |
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* @param bool $default |
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* @return bool |
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*/ |
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public static function toBoolean($value, $default) : bool |
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{ |
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if (is_bool($value)) { |
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return $value; |
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} |
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121 |
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if (strtolower($value) == 'false') { |
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return false; |
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121 |
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} elseif (strtolower($value) == 'true') { |
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return true; |
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} |
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return $default; |
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} |
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/** |
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* Return given size in bytes |
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* Allowed units: |
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* B => byte |
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* K => kilo byte |
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* M => mega byte |
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* G => giga byte |
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* T => terra byte |
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* P => peta byte |
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* |
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* e.g. |
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* 1K => 1024 |
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* 2K => 2048 |
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* ... |
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* |
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* @param string $value |
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* @throws \RuntimeException |
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* @return int |
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*/ |
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public static function toBytes(string $value) : int |
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{ |
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if (!preg_match('#^[0-9]*[BKMGT]$#i', $value)) { |
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throw new RuntimeException('Invalid size value'); |
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} |
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$units = ['B' => 0, 'K' => 1, 'M' => 2, 'G' => 3, 'T' => 4, 'P' => 5]; |
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$unit = strtoupper(substr($value, -1)); |
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$number = intval(substr($value, 0, -1)); |
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return $number * pow(1024, $units[$unit]); |
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} |
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/** |
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* Return time in seconds for a given value |
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* Allowed units: |
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* S => second |
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* I => minute |
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* D => day |
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* W => week |
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* M => month |
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* Y => year |
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* |
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* e.g. |
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* 2I => 120 |
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* 10D => 864000 |
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* ... |
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* |
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* @param string $offset |
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* @throws \RuntimeException |
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* @return int |
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*/ |
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public static function toTime(string $offset) : int |
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{ |
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if (!preg_match('#^[1-9]+[0-9]*[SIHDWMY]$#i', $offset)) { |
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throw new RuntimeException(sprintf('Invalid value for offset: %s', $offset)); |
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} |
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$units = ['S' => 1, 'I' => 60, 'H' => 3600, 'D' => 86400, 'W' => 604800, 'M' => 2678400, 'Y' => 31536000]; |
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$unit = strtoupper(substr($offset, -1)); |
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$number = intval(substr($offset, 0, -1)); |
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return $number * $units[$unit]; |
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} |
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/** |
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* Pads all given strings to given length. |
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* |
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* @param array $strings |
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* @param int $length |
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* @param string $pad |
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* @param int $mode |
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* @return array |
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*/ |
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1 |
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public static function padAll(array $strings, int $length, string $pad = ' ', int $mode = STR_PAD_LEFT) : array |
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{ |
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$result = []; |
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1 |
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foreach ($strings as $key => $s) { |
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$result[$key] = str_pad($s, $length, $pad, $mode); |
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} |
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return $result; |
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} |
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/** |
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* Explodes string to array but empty string results in empty array not array with empty string in it |
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* |
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* @param string $separated |
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* @param string $separator |
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* @param bool $trim |
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* @return array |
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*/ |
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public static function toList(string $separated, string $separator = ',', bool $trim = true) : array |
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{ |
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$list = empty($separated) ? [] : explode($separator, $separated); |
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if ($trim) { |
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$list = array_map('trim', $list); |
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} |
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return $list; |
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} |
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/** |
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* Appends a plural "s" or "'s". |
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* |
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* @param string $subject |
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* @param int $amount |
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* @return string |
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*/ |
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6 |
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public static function appendPluralS(string $subject, int $amount) : string |
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{ |
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6 |
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return $subject . ($amount == 1 ? '' : (substr($subject, -1) == 's' ? '\'s' : 's')); |
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} |
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} |
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sebastianfeldmann /
phpbu
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