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<?php |
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declare(strict_types=1); |
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namespace PublishingKit\Utilities; |
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use Countable; |
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use ArrayAccess; |
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use Iterator; |
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use PublishingKit\Utilities\Contracts\Stringable; |
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use PublishingKit\Utilities\Traits\Macroable; |
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use Serializable; |
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/** |
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* String class |
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* @psalm-consistent-constructor |
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*/ |
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class Str implements Countable, ArrayAccess, Iterator, Stringable, Serializable |
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{ |
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use Macroable; |
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/** |
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* String |
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* |
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* @var string |
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*/ |
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protected $string; |
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/** |
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* Position |
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* |
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* @var integer |
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*/ |
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protected $position = 0; |
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/** |
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* Constructor |
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* |
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* @param string $string String to use. |
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* @return void |
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*/ |
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public function __construct(string $string = '') |
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{ |
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$this->string = $string; |
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} |
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/** |
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* Create string |
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* |
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* @param string $string String to use. |
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* @return Stringable |
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*/ |
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public static function make(string $string): Stringable |
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{ |
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return new static($string); |
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} |
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/** |
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* Return count of characters |
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* |
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* @return integer |
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*/ |
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public function count(): int |
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{ |
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return strlen($this->string); |
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} |
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/** |
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* Does item exist? |
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* |
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* @param mixed $offset The offset. |
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* @return boolean |
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*/ |
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public function offsetExists($offset): bool |
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{ |
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return isset($this->string[$offset]); |
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} |
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/** |
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* Get offset |
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* |
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* @param mixed $offset The offset. |
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* @return mixed |
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*/ |
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public function offsetGet($offset) |
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{ |
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return isset($this->string[$offset]) ? $this->string[$offset] : null; |
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} |
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/** |
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* Set offset |
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* |
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* @param mixed $offset The offset. |
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* @param mixed $value The value to set. |
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* @return void |
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*/ |
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public function offsetSet($offset, $value): void |
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{ |
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if (is_null($offset)) { |
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$this->string .= $value; |
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return; |
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} |
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$this->string[$offset] = $value; |
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} |
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/** |
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* Unset offset |
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* |
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* @param mixed $offset The offset. |
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* @return void |
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*/ |
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public function offsetUnset($offset) |
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{ |
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$this->string = substr_replace($this->string, '', $offset, 1); |
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} |
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/** |
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* Get current item |
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* |
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* @return mixed |
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*/ |
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public function current() |
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{ |
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return $this->string[$this->position]; |
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} |
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/** |
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* Get key for current item |
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* |
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* @return mixed |
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*/ |
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public function key() |
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{ |
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return $this->position; |
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} |
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/** |
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* Move counter to next item |
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* |
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* @return void |
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*/ |
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public function next() |
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{ |
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++$this->position; |
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} |
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/** |
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* Move counter back to zero |
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* |
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* @return void |
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*/ |
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public function rewind() |
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{ |
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$this->position = 0; |
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} |
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/** |
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* Is current item valid? |
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* |
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* @return boolean |
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*/ |
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public function valid(): bool |
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{ |
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return isset($this->string[$this->position]); |
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} |
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/** |
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* Convert to string |
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* |
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* @return string |
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*/ |
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public function __toString(): string |
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{ |
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return $this->string; |
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} |
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/** |
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* Find and replace text |
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* |
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* @param string $find Text to find. |
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* @param string $replace Text to replace. |
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* @return Stringable |
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*/ |
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public function replace(string $find, string $replace): Stringable |
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{ |
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return new static(str_replace($find, $replace, $this->string)); |
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} |
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/** |
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* Convert to upper case |
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* |
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* @return Stringable |
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*/ |
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public function toUpper(): Stringable |
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{ |
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return new static(strtoupper($this->string)); |
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} |
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/** |
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* Convert to lower case |
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* |
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* @return Stringable |
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*/ |
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public function toLower(): Stringable |
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{ |
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return new static(strtolower($this->string)); |
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} |
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/** |
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* Trim whitespace |
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* |
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* @return Stringable |
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*/ |
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public function trim(): Stringable |
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{ |
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return new static(trim($this->string)); |
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} |
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/** |
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* Trim left whitespace |
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* |
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* @return Stringable |
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*/ |
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public function ltrim(): Stringable |
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{ |
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return new static(ltrim($this->string)); |
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} |
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/** |
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* Trim right whitespace |
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* |
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* @return Stringable |
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*/ |
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public function rtrim(): Stringable |
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{ |
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return new static(rtrim($this->string)); |
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} |
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/** |
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* Handle path in a platform-independent way |
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* |
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* @return Stringable |
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*/ |
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public function path(): Stringable |
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{ |
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return new static(preg_replace('/(\\\|\/)/', DIRECTORY_SEPARATOR, $this->string)); |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function serialize() |
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{ |
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return serialize($this->string); |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function unserialize($serialized) |
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{ |
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/** @var string **/ |
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$this->string = unserialize($serialized); |
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} |
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public function __debugInfo() |
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{ |
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return $this->__toString(); |
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} |
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} |
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