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<?php |
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declare(strict_types = 1); |
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namespace Innmind\Immutable; |
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use Innmind\Immutable\{ |
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Exception\RegexException, |
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Exception\SubstringException, |
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Exception\LogicException |
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}; |
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final class Str |
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{ |
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private const PAD_RIGHT = STR_PAD_RIGHT; |
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private const PAD_LEFT = STR_PAD_LEFT; |
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private const PAD_BOTH = STR_PAD_BOTH; |
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private const PREG_NO_FLAGS = 0; |
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private const PREG_SPLIT_NO_EMPTY = PREG_SPLIT_NO_EMPTY; |
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private const PREG_SPLIT_DELIM_CAPTURE = PREG_SPLIT_DELIM_CAPTURE; |
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private const PREG_SPLIT_OFFSET_CAPTURE = PREG_SPLIT_OFFSET_CAPTURE; |
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private const PREG_OFFSET_CAPTURE = PREG_OFFSET_CAPTURE; |
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private string $value; |
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private ?string $encoding; |
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private function __construct(string $value, string $encoding = null) |
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{ |
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$this->value = $value; |
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$this->encoding = $encoding; |
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} |
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public static function of(string $value, string $encoding = null): self |
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{ |
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return new self($value, $encoding); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function toString(): string |
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{ |
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return $this->value; |
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} |
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public function encoding(): self |
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{ |
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if (\is_null($this->encoding)) { |
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/** @var string */ |
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$this->encoding = \mb_internal_encoding(); |
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} |
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return new self($this->encoding); |
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} |
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public function toEncoding(string $encoding): self |
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{ |
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return new self($this->value, $encoding); |
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} |
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/** |
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* Split the string into a collection of ones |
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* |
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* @return Sequence<self> |
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*/ |
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public function split(string $delimiter = null): Sequence |
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{ |
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if (\is_null($delimiter) || $delimiter === '') { |
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return $this->chunk(); |
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} |
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$parts = \explode($delimiter, $this->value); |
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/** @var Sequence<self> */ |
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$sequence = Sequence::of(self::class); |
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foreach ($parts as $part) { |
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$sequence = ($sequence)(new self($part, $this->encoding)); |
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} |
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return $sequence; |
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} |
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/** |
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* Returns a collection of the string splitted by the given chunk size |
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* |
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* @return Sequence<self> |
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*/ |
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public function chunk(int $size = 1): Sequence |
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{ |
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/** @var Sequence<self> */ |
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$sequence = Sequence::of(self::class); |
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/** @var list<string> */ |
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$parts = \mb_str_split($this->value, $size, $this->encoding()->toString()); |
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foreach ($parts as $value) { |
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$sequence = ($sequence)(new self($value, $this->encoding)); |
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} |
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return $sequence; |
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} |
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/** |
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* Returns the position of the first occurence of the string |
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* |
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* @throws SubstringException If the string is not found |
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*/ |
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public function position(string $needle, int $offset = 0): int |
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{ |
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$position = \mb_strpos($this->value, $needle, $offset, $this->encoding()->toString()); |
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if ($position === false) { |
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throw new SubstringException(\sprintf( |
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'Substring "%s" not found', |
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$needle |
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)); |
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} |
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return (int) $position; |
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} |
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/** |
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* Replace all occurences of the search string with the replacement one |
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*/ |
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public function replace(string $search, string $replacement): self |
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{ |
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if (!$this->contains($search)) { |
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return $this; |
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} |
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/** |
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* @psalm-suppress InvalidArgument |
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* @var Sequence<string> |
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*/ |
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$parts = $this |
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->split($search) |
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->toSequenceOf('string', fn($v) => yield $v->toString()); |
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return join($replacement, $parts); |
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} |
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/** |
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* Returns the string following the given delimiter |
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* |
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* @throws SubstringException If the string is not found |
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*/ |
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public function str(string $delimiter): self |
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{ |
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$sub = \mb_strstr($this->value, $delimiter, false, $this->encoding()->toString()); |
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if ($sub === false) { |
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throw new SubstringException(\sprintf( |
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'Substring "%s" not found', |
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$delimiter |
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)); |
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} |
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return new self($sub, $this->encoding); |
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} |
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/** |
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* Return the string in upper case |
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*/ |
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public function toUpper(): self |
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{ |
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return new self(\mb_strtoupper($this->value), $this->encoding); |
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} |
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/** |
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* Return the string in lower case |
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*/ |
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public function toLower(): self |
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{ |
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return new self(\mb_strtolower($this->value), $this->encoding); |
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} |
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/** |
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* Return the string length |
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*/ |
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public function length(): int |
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{ |
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return \mb_strlen($this->value, $this->encoding()->toString()); |
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} |
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public function empty(): bool |
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{ |
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return $this->value === ''; |
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} |
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/** |
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* Reverse the string |
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*/ |
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public function reverse(): self |
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{ |
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/** |
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* @psalm-suppress InvalidArgument |
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* @var Sequence<string> |
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*/ |
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$parts = $this |
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->chunk() |
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->reverse() |
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->toSequenceOf('string', fn($v) => yield $v->toString()); |
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return join('', $parts)->toEncoding($this->encoding()->toString()); |
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} |
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/** |
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* Pad to the right |
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*/ |
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public function rightPad(int $length, string $character = ' '): self |
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{ |
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return $this->pad($length, $character, self::PAD_RIGHT); |
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} |
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/** |
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* Pad to the left |
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*/ |
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public function leftPad(int $length, string $character = ' '): self |
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{ |
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return $this->pad($length, $character, self::PAD_LEFT); |
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} |
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/** |
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* Pad both sides |
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*/ |
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public function uniPad(int $length, string $character = ' '): self |
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{ |
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return $this->pad($length, $character, self::PAD_BOTH); |
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} |
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/** |
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* Find length of initial segment not matching mask |
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*/ |
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public function cspn(string $mask, int $start = 0, int $length = null): int |
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{ |
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if ($length === null) { |
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$value = \strcspn($this->value, $mask, $start); |
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} else { |
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$value = \strcspn( |
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$this->value, |
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$mask, |
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$start, |
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$length |
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); |
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} |
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return (int) $value; |
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} |
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/** |
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* Repeat the string n times |
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*/ |
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public function repeat(int $repeat): self |
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{ |
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return new self(\str_repeat($this->value, $repeat), $this->encoding); |
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} |
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/** |
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* Shuffle the string |
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*/ |
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public function shuffle(): self |
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{ |
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/** @psalm-suppress InvalidArgument */ |
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$parts = unwrap( |
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$this |
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->chunk() |
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->toSequenceOf('string', fn($v) => yield $v->toString()) |
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); |
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\shuffle($parts); |
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return new self(\implode('', $parts), $this->encoding); |
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} |
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public function stripSlashes(): self |
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{ |
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return new self(\stripslashes($this->value), $this->encoding); |
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} |
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/** |
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* Strip C-like slashes |
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*/ |
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public function stripCSlashes(): self |
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{ |
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return new self(\stripcslashes($this->value), $this->encoding); |
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} |
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/** |
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* Return the word count |
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*/ |
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public function wordCount(string $charlist = ''): int |
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{ |
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return (int) \str_word_count( |
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$this->value, |
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0, |
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$charlist |
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); |
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} |
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/** |
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* Return the collection of words |
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* |
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* @return Map<int, self> |
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*/ |
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public function words(string $charlist = ''): Map |
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{ |
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/** @var list<string> */ |
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$words = \str_word_count($this->value, 2, $charlist); |
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/** @var Map<int, self> */ |
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$map = Map::of('int', self::class); |
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foreach ($words as $position => $word) { |
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$map = ($map)($position, new self($word, $this->encoding)); |
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} |
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return $map; |
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} |
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/** |
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* Split the string using a regular expression |
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* |
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* @return Sequence<self> |
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*/ |
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public function pregSplit(string $regex, int $limit = -1): Sequence |
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{ |
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$strings = \preg_split($regex, $this->value, $limit); |
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/** @var Sequence<self> */ |
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$sequence = Sequence::of(self::class); |
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foreach ($strings as $string) { |
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$sequence = ($sequence)(new self($string, $this->encoding)); |
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} |
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return $sequence; |
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} |
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334
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/** |
335
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* Check if the string match the given regular expression |
336
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* |
337
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* @throws RegexException If the regex failed |
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*/ |
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public function matches(string $regex): bool |
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{ |
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return RegExp::of($regex)->matches($this); |
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} |
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/** |
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* Return a collection of the elements matching the regex |
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* |
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* @throws RegexException If the regex failed |
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* |
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* @return Map<scalar, self> |
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*/ |
351
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3 |
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public function capture(string $regex): Map |
352
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{ |
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return RegExp::of($regex)->capture($this); |
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} |
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356
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/** |
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* Replace part of the string by using a regular expression |
358
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* |
359
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* @throws RegexException If the regex failed |
360
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*/ |
361
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1 |
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public function pregReplace( |
362
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string $regex, |
363
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string $replacement, |
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int $limit = -1 |
365
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): self { |
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$value = \preg_replace( |
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$regex, |
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$replacement, |
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$this->value, |
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$limit |
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); |
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373
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1 |
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if ($value === null) { |
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throw new RegexException('', \preg_last_error()); |
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} |
376
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|
377
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return new self($value, $this->encoding); |
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} |
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|
380
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/** |
381
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* Return part of the string |
382
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*/ |
383
|
12 |
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public function substring(int $start, int $length = null): self |
384
|
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{ |
385
|
12 |
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if ($this->empty()) { |
386
|
1 |
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return $this; |
387
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} |
388
|
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|
389
|
12 |
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$sub = \mb_substr($this->value, $start, $length, $this->encoding()->toString()); |
390
|
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|
391
|
12 |
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return new self($sub, $this->encoding); |
|
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|
392
|
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} |
393
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|
394
|
1 |
|
public function take(int $size): self |
395
|
|
|
{ |
396
|
1 |
|
return $this->substring(0, $size); |
397
|
|
|
} |
398
|
|
|
|
399
|
2 |
|
public function takeEnd(int $size): self |
400
|
|
|
{ |
401
|
2 |
|
return $this->substring(-$size); |
402
|
|
|
} |
403
|
|
|
|
404
|
2 |
|
public function drop(int $size): self |
405
|
|
|
{ |
406
|
2 |
|
return $this->substring($size); |
407
|
|
|
} |
408
|
|
|
|
409
|
1 |
|
public function dropEnd(int $size): self |
410
|
|
|
{ |
411
|
1 |
|
return $this->substring(0, $this->length() - $size); |
412
|
|
|
} |
413
|
|
|
|
414
|
|
|
/** |
415
|
|
|
* Return a formatted string |
416
|
|
|
*/ |
417
|
1 |
|
public function sprintf(string ...$values): self |
418
|
|
|
{ |
419
|
1 |
|
return new self(\sprintf($this->value, ...$values), $this->encoding); |
420
|
|
|
} |
421
|
|
|
|
422
|
|
|
/** |
423
|
|
|
* Return the string with the first letter as uppercase |
424
|
|
|
*/ |
425
|
2 |
|
public function ucfirst(): self |
426
|
|
|
{ |
427
|
|
|
return $this |
428
|
2 |
|
->substring(0, 1) |
429
|
2 |
|
->toUpper() |
430
|
2 |
|
->append($this->substring(1)->toString()); |
431
|
|
|
} |
432
|
|
|
|
433
|
|
|
/** |
434
|
|
|
* Return the string with the first letter as lowercase |
435
|
|
|
*/ |
436
|
2 |
|
public function lcfirst(): self |
437
|
|
|
{ |
438
|
|
|
return $this |
439
|
2 |
|
->substring(0, 1) |
440
|
2 |
|
->toLower() |
441
|
2 |
|
->append($this->substring(1)->toString()); |
442
|
|
|
} |
443
|
|
|
|
444
|
|
|
/** |
445
|
|
|
* Return a CamelCase representation of the string |
446
|
|
|
*/ |
447
|
1 |
|
public function camelize(): self |
448
|
|
|
{ |
449
|
|
|
/** |
450
|
|
|
* @psalm-suppress InvalidArgument |
451
|
|
|
* @var Sequence<string> |
452
|
|
|
*/ |
453
|
|
|
$words = $this |
454
|
1 |
|
->pregSplit('/_| /') |
455
|
|
|
->map(function(self $part) { |
456
|
1 |
|
return $part->ucfirst(); |
457
|
1 |
|
}) |
458
|
1 |
|
->toSequenceOf('string', fn($v) => yield $v->toString()); |
459
|
|
|
|
460
|
1 |
|
return join('', $words) |
|
|
|
|
461
|
1 |
|
->lcfirst() |
462
|
1 |
|
->toEncoding($this->encoding()->toString()); |
463
|
|
|
} |
464
|
|
|
|
465
|
|
|
/** |
466
|
|
|
* Append a string at the end of the current one |
467
|
|
|
*/ |
468
|
4 |
|
public function append(string $string): self |
469
|
|
|
{ |
470
|
4 |
|
return new self($this->value.$string, $this->encoding); |
471
|
|
|
} |
472
|
|
|
|
473
|
|
|
/** |
474
|
|
|
* Prepend a string at the beginning of the current one |
475
|
|
|
*/ |
476
|
1 |
|
public function prepend(string $string): self |
477
|
|
|
{ |
478
|
1 |
|
return new self($string.$this->value, $this->encoding); |
479
|
|
|
} |
480
|
|
|
|
481
|
|
|
/** |
482
|
|
|
* Check if the 2 strings are equal |
483
|
|
|
*/ |
484
|
1 |
|
public function equals(self $string): bool |
485
|
|
|
{ |
486
|
1 |
|
return $this->toString() === $string->toString(); |
487
|
|
|
} |
488
|
|
|
|
489
|
|
|
/** |
490
|
|
|
* Trim the string |
491
|
|
|
*/ |
492
|
1 |
|
public function trim(string $mask = null): self |
493
|
|
|
{ |
494
|
1 |
|
return new self( |
495
|
1 |
|
$mask === null ? \trim($this->value) : \trim($this->value, $mask), |
496
|
1 |
|
$this->encoding |
497
|
|
|
); |
498
|
|
|
} |
499
|
|
|
|
500
|
|
|
/** |
501
|
|
|
* Trim the right side of the string |
502
|
|
|
*/ |
503
|
1 |
|
public function rightTrim(string $mask = null): self |
504
|
|
|
{ |
505
|
1 |
|
return new self( |
506
|
1 |
|
$mask === null ? \rtrim($this->value) : \rtrim($this->value, $mask), |
507
|
1 |
|
$this->encoding |
508
|
|
|
); |
509
|
|
|
} |
510
|
|
|
|
511
|
|
|
/** |
512
|
|
|
* Trim the left side of the string |
513
|
|
|
*/ |
514
|
1 |
|
public function leftTrim(string $mask = null): self |
515
|
|
|
{ |
516
|
1 |
|
return new self( |
517
|
1 |
|
$mask === null ? \ltrim($this->value) : \ltrim($this->value, $mask), |
518
|
1 |
|
$this->encoding |
519
|
|
|
); |
520
|
|
|
} |
521
|
|
|
|
522
|
|
|
/** |
523
|
|
|
* Check if the given string is present in the current one |
524
|
|
|
*/ |
525
|
295 |
|
public function contains(string $value): bool |
526
|
|
|
{ |
527
|
|
|
try { |
528
|
295 |
|
$this->position($value); |
529
|
|
|
|
530
|
13 |
|
return true; |
531
|
294 |
|
} catch (SubstringException $e) { |
532
|
294 |
|
return false; |
533
|
|
|
} |
534
|
|
|
} |
535
|
|
|
|
536
|
|
|
/** |
537
|
|
|
* Check if the current string starts with the given string |
538
|
|
|
*/ |
539
|
294 |
|
public function startsWith(string $value): bool |
540
|
|
|
{ |
541
|
294 |
|
if ($value === '') { |
542
|
1 |
|
return true; |
543
|
|
|
} |
544
|
|
|
|
545
|
|
|
try { |
546
|
294 |
|
return $this->position($value) === 0; |
547
|
294 |
|
} catch (SubstringException $e) { |
548
|
294 |
|
return false; |
549
|
|
|
} |
550
|
|
|
} |
551
|
|
|
|
552
|
|
|
/** |
553
|
|
|
* Check if the current string ends with the given string |
554
|
|
|
*/ |
555
|
1 |
|
public function endsWith(string $value): bool |
556
|
|
|
{ |
557
|
1 |
|
if ($value === '') { |
558
|
1 |
|
return true; |
559
|
|
|
} |
560
|
|
|
|
561
|
1 |
|
return $this->takeEnd(self::of($value, $this->encoding)->length())->toString() === $value; |
562
|
|
|
} |
563
|
|
|
|
564
|
|
|
/** |
565
|
|
|
* Quote regular expression characters |
566
|
|
|
*/ |
567
|
1 |
|
public function pregQuote(string $delimiter = ''): self |
568
|
|
|
{ |
569
|
1 |
|
return new self(\preg_quote($this->value, $delimiter), $this->encoding); |
570
|
|
|
} |
571
|
|
|
|
572
|
|
|
/** |
573
|
|
|
* Pad the string |
574
|
|
|
*/ |
575
|
1 |
|
private function pad( |
576
|
|
|
int $length, |
577
|
|
|
string $character = ' ', |
578
|
|
|
int $direction = self::PAD_RIGHT |
579
|
|
|
): self { |
580
|
1 |
|
return new self(\str_pad( |
581
|
1 |
|
$this->value, |
582
|
1 |
|
$length, |
583
|
1 |
|
$character, |
584
|
1 |
|
$direction |
585
|
1 |
|
), $this->encoding); |
586
|
|
|
} |
587
|
|
|
} |
588
|
|
|
|