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<?php |
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/* |
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* This file is part of the Symfony package. |
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* |
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* (c) Fabien Potencier <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Symfony\Component\String; |
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use Symfony\Component\String\Exception\ExceptionInterface; |
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use Symfony\Component\String\Exception\InvalidArgumentException; |
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use Symfony\Component\String\Exception\RuntimeException; |
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/** |
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* Represents a string of abstract characters. |
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* |
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* Unicode defines 3 types of "characters" (bytes, code points and grapheme clusters). |
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* This class is the abstract type to use as a type-hint when the logic you want to |
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* implement doesn't care about the exact variant it deals with. |
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* |
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* @author Nicolas Grekas <[email protected]> |
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* @author Hugo Hamon <[email protected]> |
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* |
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* @throws ExceptionInterface |
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*/ |
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abstract class AbstractString implements \Stringable, \JsonSerializable |
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{ |
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public const PREG_PATTERN_ORDER = \PREG_PATTERN_ORDER; |
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public const PREG_SET_ORDER = \PREG_SET_ORDER; |
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public const PREG_OFFSET_CAPTURE = \PREG_OFFSET_CAPTURE; |
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public const PREG_UNMATCHED_AS_NULL = \PREG_UNMATCHED_AS_NULL; |
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public const PREG_SPLIT = 0; |
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public const PREG_SPLIT_NO_EMPTY = \PREG_SPLIT_NO_EMPTY; |
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public const PREG_SPLIT_DELIM_CAPTURE = \PREG_SPLIT_DELIM_CAPTURE; |
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public const PREG_SPLIT_OFFSET_CAPTURE = \PREG_SPLIT_OFFSET_CAPTURE; |
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protected $string = ''; |
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protected $ignoreCase = false; |
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abstract public function __construct(string $string = ''); |
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/** |
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* Unwraps instances of AbstractString back to strings. |
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* |
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* @return string[]|array |
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*/ |
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public static function unwrap(array $values): array |
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{ |
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foreach ($values as $k => $v) { |
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if ($v instanceof self) { |
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$values[$k] = $v->__toString(); |
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} elseif (\is_array($v) && $values[$k] !== $v = static::unwrap($v)) { |
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$values[$k] = $v; |
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} |
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} |
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return $values; |
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} |
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/** |
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* Wraps (and normalizes) strings in instances of AbstractString. |
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* |
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* @return static[]|array |
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*/ |
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public static function wrap(array $values): array |
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{ |
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$i = 0; |
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$keys = null; |
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foreach ($values as $k => $v) { |
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if (\is_string($k) && '' !== $k && $k !== $j = (string) new static($k)) { |
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$keys = $keys ?? array_keys($values); |
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$keys[$i] = $j; |
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} |
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if (\is_string($v)) { |
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$values[$k] = new static($v); |
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} elseif (\is_array($v) && $values[$k] !== $v = static::wrap($v)) { |
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$values[$k] = $v; |
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} |
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++$i; |
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} |
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return null !== $keys ? array_combine($keys, $values) : $values; |
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} |
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/** |
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* @param string|string[] $needle |
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* |
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* @return static |
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*/ |
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public function after($needle, bool $includeNeedle = false, int $offset = 0): self |
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{ |
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$str = clone $this; |
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$i = \PHP_INT_MAX; |
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foreach ((array) $needle as $n) { |
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$n = (string) $n; |
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$j = $this->indexOf($n, $offset); |
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if (null !== $j && $j < $i) { |
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$i = $j; |
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$str->string = $n; |
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} |
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} |
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if (\PHP_INT_MAX === $i) { |
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return $str; |
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} |
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if (!$includeNeedle) { |
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$i += $str->length(); |
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} |
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return $this->slice($i); |
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} |
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/** |
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* @param string|string[] $needle |
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* |
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* @return static |
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*/ |
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public function afterLast($needle, bool $includeNeedle = false, int $offset = 0): self |
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{ |
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$str = clone $this; |
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$i = null; |
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foreach ((array) $needle as $n) { |
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$n = (string) $n; |
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$j = $this->indexOfLast($n, $offset); |
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if (null !== $j && $j >= $i) { |
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$i = $offset = $j; |
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$str->string = $n; |
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} |
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} |
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if (null === $i) { |
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return $str; |
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} |
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if (!$includeNeedle) { |
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$i += $str->length(); |
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} |
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return $this->slice($i); |
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} |
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/** |
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* @return static |
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*/ |
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abstract public function append(string ...$suffix): self; |
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/** |
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* @param string|string[] $needle |
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* |
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* @return static |
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*/ |
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public function before($needle, bool $includeNeedle = false, int $offset = 0): self |
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{ |
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$str = clone $this; |
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$i = \PHP_INT_MAX; |
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foreach ((array) $needle as $n) { |
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$n = (string) $n; |
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$j = $this->indexOf($n, $offset); |
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if (null !== $j && $j < $i) { |
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$i = $j; |
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$str->string = $n; |
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} |
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} |
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if (\PHP_INT_MAX === $i) { |
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return $str; |
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} |
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if ($includeNeedle) { |
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$i += $str->length(); |
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} |
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return $this->slice(0, $i); |
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} |
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/** |
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* @param string|string[] $needle |
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* |
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* @return static |
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*/ |
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public function beforeLast($needle, bool $includeNeedle = false, int $offset = 0): self |
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{ |
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$str = clone $this; |
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$i = null; |
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foreach ((array) $needle as $n) { |
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$n = (string) $n; |
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$j = $this->indexOfLast($n, $offset); |
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if (null !== $j && $j >= $i) { |
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$i = $offset = $j; |
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$str->string = $n; |
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} |
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} |
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if (null === $i) { |
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return $str; |
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} |
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if ($includeNeedle) { |
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$i += $str->length(); |
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} |
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return $this->slice(0, $i); |
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} |
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/** |
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* @return int[] |
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*/ |
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public function bytesAt(int $offset): array |
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{ |
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$str = $this->slice($offset, 1); |
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return '' === $str->string ? [] : array_values(unpack('C*', $str->string)); |
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} |
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/** |
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* @return static |
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*/ |
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abstract public function camel(): self; |
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/** |
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* @return static[] |
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*/ |
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abstract public function chunk(int $length = 1): array; |
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/** |
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* @return static |
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*/ |
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public function collapseWhitespace(): self |
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{ |
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$str = clone $this; |
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$str->string = trim(preg_replace('/(?:\s{2,}+|[^\S ])/', ' ', $str->string)); |
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return $str; |
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} |
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/** |
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* @param string|string[] $needle |
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*/ |
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public function containsAny($needle): bool |
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{ |
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return null !== $this->indexOf($needle); |
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} |
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/** |
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* @param string|string[] $suffix |
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*/ |
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public function endsWith($suffix): bool |
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{ |
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if (!\is_array($suffix) && !$suffix instanceof \Traversable) { |
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throw new \TypeError(sprintf('Method "%s()" must be overridden by class "%s" to deal with non-iterable values.', __FUNCTION__, static::class)); |
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} |
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foreach ($suffix as $s) { |
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if ($this->endsWith((string) $s)) { |
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return true; |
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} |
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} |
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return false; |
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} |
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/** |
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* @return static |
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*/ |
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public function ensureEnd(string $suffix): self |
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{ |
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if (!$this->endsWith($suffix)) { |
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return $this->append($suffix); |
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} |
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$suffix = preg_quote($suffix); |
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$regex = '{('.$suffix.')(?:'.$suffix.')++$}D'; |
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return $this->replaceMatches($regex.($this->ignoreCase ? 'i' : ''), '$1'); |
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} |
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/** |
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* @return static |
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*/ |
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public function ensureStart(string $prefix): self |
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{ |
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$prefix = new static($prefix); |
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if (!$this->startsWith($prefix)) { |
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return $this->prepend($prefix); |
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} |
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$str = clone $this; |
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$i = $prefixLen = $prefix->length(); |
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while ($this->indexOf($prefix, $i) === $i) { |
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$str = $str->slice($prefixLen); |
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$i += $prefixLen; |
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} |
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return $str; |
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} |
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/** |
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* @param string|string[] $string |
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*/ |
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public function equalsTo($string): bool |
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{ |
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if (!\is_array($string) && !$string instanceof \Traversable) { |
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throw new \TypeError(sprintf('Method "%s()" must be overridden by class "%s" to deal with non-iterable values.', __FUNCTION__, static::class)); |
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} |
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foreach ($string as $s) { |
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if ($this->equalsTo((string) $s)) { |
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return true; |
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} |
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} |
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return false; |
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} |
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/** |
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* @return static |
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*/ |
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abstract public function folded(): self; |
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/** |
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* @return static |
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*/ |
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public function ignoreCase(): self |
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{ |
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$str = clone $this; |
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$str->ignoreCase = true; |
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return $str; |
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} |
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/** |
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* @param string|string[] $needle |
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*/ |
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public function indexOf($needle, int $offset = 0): ?int |
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{ |
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if (!\is_array($needle) && !$needle instanceof \Traversable) { |
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throw new \TypeError(sprintf('Method "%s()" must be overridden by class "%s" to deal with non-iterable values.', __FUNCTION__, static::class)); |
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} |
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$i = \PHP_INT_MAX; |
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foreach ($needle as $n) { |
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$j = $this->indexOf((string) $n, $offset); |
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if (null !== $j && $j < $i) { |
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$i = $j; |
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} |
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} |
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return \PHP_INT_MAX === $i ? null : $i; |
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} |
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/** |
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* @param string|string[] $needle |
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*/ |
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public function indexOfLast($needle, int $offset = 0): ?int |
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{ |
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if (!\is_array($needle) && !$needle instanceof \Traversable) { |
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throw new \TypeError(sprintf('Method "%s()" must be overridden by class "%s" to deal with non-iterable values.', __FUNCTION__, static::class)); |
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} |
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$i = null; |
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foreach ($needle as $n) { |
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$j = $this->indexOfLast((string) $n, $offset); |
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if (null !== $j && $j >= $i) { |
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$i = $offset = $j; |
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} |
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|
} |
390
|
|
|
|
391
|
|
|
return $i; |
392
|
|
|
} |
393
|
|
|
|
394
|
|
|
public function isEmpty(): bool |
395
|
|
|
{ |
396
|
|
|
return '' === $this->string; |
397
|
|
|
} |
398
|
|
|
|
399
|
|
|
/** |
400
|
|
|
* @return static |
401
|
|
|
*/ |
402
|
|
|
abstract public function join(array $strings, string $lastGlue = null): self; |
403
|
|
|
|
404
|
|
|
public function jsonSerialize(): string |
405
|
|
|
{ |
406
|
|
|
return $this->string; |
407
|
|
|
} |
408
|
|
|
|
409
|
|
|
abstract public function length(): int; |
410
|
|
|
|
411
|
|
|
/** |
412
|
|
|
* @return static |
413
|
|
|
*/ |
414
|
|
|
abstract public function lower(): self; |
415
|
|
|
|
416
|
|
|
/** |
417
|
|
|
* Matches the string using a regular expression. |
418
|
|
|
* |
419
|
|
|
* Pass PREG_PATTERN_ORDER or PREG_SET_ORDER as $flags to get all occurrences matching the regular expression. |
420
|
|
|
* |
421
|
|
|
* @return array All matches in a multi-dimensional array ordered according to flags |
422
|
|
|
*/ |
423
|
|
|
abstract public function match(string $regexp, int $flags = 0, int $offset = 0): array; |
424
|
|
|
|
425
|
|
|
/** |
426
|
|
|
* @return static |
427
|
|
|
*/ |
428
|
|
|
abstract public function padBoth(int $length, string $padStr = ' '): self; |
429
|
|
|
|
430
|
|
|
/** |
431
|
|
|
* @return static |
432
|
|
|
*/ |
433
|
|
|
abstract public function padEnd(int $length, string $padStr = ' '): self; |
434
|
|
|
|
435
|
|
|
/** |
436
|
|
|
* @return static |
437
|
|
|
*/ |
438
|
|
|
abstract public function padStart(int $length, string $padStr = ' '): self; |
439
|
|
|
|
440
|
|
|
/** |
441
|
|
|
* @return static |
442
|
|
|
*/ |
443
|
|
|
abstract public function prepend(string ...$prefix): self; |
444
|
|
|
|
445
|
|
|
/** |
446
|
|
|
* @return static |
447
|
|
|
*/ |
448
|
|
|
public function repeat(int $multiplier): self |
449
|
|
|
{ |
450
|
|
|
if (0 > $multiplier) { |
451
|
|
|
throw new InvalidArgumentException(sprintf('Multiplier must be positive, %d given.', $multiplier)); |
452
|
|
|
} |
453
|
|
|
|
454
|
|
|
$str = clone $this; |
455
|
|
|
$str->string = str_repeat($str->string, $multiplier); |
456
|
|
|
|
457
|
|
|
return $str; |
458
|
|
|
} |
459
|
|
|
|
460
|
|
|
/** |
461
|
|
|
* @return static |
462
|
|
|
*/ |
463
|
|
|
abstract public function replace(string $from, string $to): self; |
464
|
|
|
|
465
|
|
|
/** |
466
|
|
|
* @param string|callable $to |
467
|
|
|
* |
468
|
|
|
* @return static |
469
|
|
|
*/ |
470
|
|
|
abstract public function replaceMatches(string $fromRegexp, $to): self; |
471
|
|
|
|
472
|
|
|
/** |
473
|
|
|
* @return static |
474
|
|
|
*/ |
475
|
|
|
abstract public function reverse(): self; |
476
|
|
|
|
477
|
|
|
/** |
478
|
|
|
* @return static |
479
|
|
|
*/ |
480
|
|
|
abstract public function slice(int $start = 0, int $length = null): self; |
481
|
|
|
|
482
|
|
|
/** |
483
|
|
|
* @return static |
484
|
|
|
*/ |
485
|
|
|
abstract public function snake(): self; |
486
|
|
|
|
487
|
|
|
/** |
488
|
|
|
* @return static |
489
|
|
|
*/ |
490
|
|
|
abstract public function splice(string $replacement, int $start = 0, int $length = null): self; |
491
|
|
|
|
492
|
|
|
/** |
493
|
|
|
* @return static[] |
494
|
|
|
*/ |
495
|
|
|
public function split(string $delimiter, int $limit = null, int $flags = null): array |
496
|
|
|
{ |
497
|
|
|
if (null === $flags) { |
498
|
|
|
throw new \TypeError('Split behavior when $flags is null must be implemented by child classes.'); |
499
|
|
|
} |
500
|
|
|
|
501
|
|
|
if ($this->ignoreCase) { |
502
|
|
|
$delimiter .= 'i'; |
503
|
|
|
} |
504
|
|
|
|
505
|
|
|
set_error_handler(static function ($t, $m) { throw new InvalidArgumentException($m); }); |
506
|
|
|
|
507
|
|
|
try { |
508
|
|
|
if (false === $chunks = preg_split($delimiter, $this->string, $limit, $flags)) { |
509
|
|
|
$lastError = preg_last_error(); |
510
|
|
|
|
511
|
|
|
foreach (get_defined_constants(true)['pcre'] as $k => $v) { |
512
|
|
|
if ($lastError === $v && '_ERROR' === substr($k, -6)) { |
513
|
|
|
throw new RuntimeException('Splitting failed with '.$k.'.'); |
514
|
|
|
} |
515
|
|
|
} |
516
|
|
|
|
517
|
|
|
throw new RuntimeException('Splitting failed with unknown error code.'); |
518
|
|
|
} |
519
|
|
|
} finally { |
520
|
|
|
restore_error_handler(); |
521
|
|
|
} |
522
|
|
|
|
523
|
|
|
$str = clone $this; |
524
|
|
|
|
525
|
|
|
if (self::PREG_SPLIT_OFFSET_CAPTURE & $flags) { |
526
|
|
|
foreach ($chunks as &$chunk) { |
527
|
|
|
$str->string = $chunk[0]; |
528
|
|
|
$chunk[0] = clone $str; |
529
|
|
|
} |
530
|
|
|
} else { |
531
|
|
|
foreach ($chunks as &$chunk) { |
532
|
|
|
$str->string = $chunk; |
533
|
|
|
$chunk = clone $str; |
534
|
|
|
} |
535
|
|
|
} |
536
|
|
|
|
537
|
|
|
return $chunks; |
|
|
|
|
538
|
|
|
} |
539
|
|
|
|
540
|
|
|
/** |
541
|
|
|
* @param string|string[] $prefix |
542
|
|
|
*/ |
543
|
|
|
public function startsWith($prefix): bool |
544
|
|
|
{ |
545
|
|
|
if (!\is_array($prefix) && !$prefix instanceof \Traversable) { |
546
|
|
|
throw new \TypeError(sprintf('Method "%s()" must be overridden by class "%s" to deal with non-iterable values.', __FUNCTION__, static::class)); |
547
|
|
|
} |
548
|
|
|
|
549
|
|
|
foreach ($prefix as $prefix) { |
|
|
|
|
550
|
|
|
if ($this->startsWith((string) $prefix)) { |
551
|
|
|
return true; |
552
|
|
|
} |
553
|
|
|
} |
554
|
|
|
|
555
|
|
|
return false; |
556
|
|
|
} |
557
|
|
|
|
558
|
|
|
/** |
559
|
|
|
* @return static |
560
|
|
|
*/ |
561
|
|
|
abstract public function title(bool $allWords = false): self; |
562
|
|
|
|
563
|
|
|
public function toByteString(string $toEncoding = null): ByteString |
564
|
|
|
{ |
565
|
|
|
$b = new ByteString(); |
566
|
|
|
|
567
|
|
|
$toEncoding = \in_array($toEncoding, ['utf8', 'utf-8', 'UTF8'], true) ? 'UTF-8' : $toEncoding; |
568
|
|
|
|
569
|
|
|
if (null === $toEncoding || $toEncoding === $fromEncoding = $this instanceof AbstractUnicodeString || preg_match('//u', $b->string) ? 'UTF-8' : 'Windows-1252') { |
|
|
|
|
570
|
|
|
$b->string = $this->string; |
571
|
|
|
|
572
|
|
|
return $b; |
573
|
|
|
} |
574
|
|
|
|
575
|
|
|
set_error_handler(static function ($t, $m) { throw new InvalidArgumentException($m); }); |
576
|
|
|
|
577
|
|
|
try { |
578
|
|
|
try { |
579
|
|
|
$b->string = mb_convert_encoding($this->string, $toEncoding, 'UTF-8'); |
580
|
|
|
} catch (InvalidArgumentException $e) { |
581
|
|
|
if (!\function_exists('iconv')) { |
582
|
|
|
throw $e; |
583
|
|
|
} |
584
|
|
|
|
585
|
|
|
$b->string = iconv('UTF-8', $toEncoding, $this->string); |
586
|
|
|
} |
587
|
|
|
} finally { |
588
|
|
|
restore_error_handler(); |
589
|
|
|
} |
590
|
|
|
|
591
|
|
|
return $b; |
592
|
|
|
} |
593
|
|
|
|
594
|
|
|
public function toCodePointString(): CodePointString |
595
|
|
|
{ |
596
|
|
|
return new CodePointString($this->string); |
597
|
|
|
} |
598
|
|
|
|
599
|
|
|
public function toString(): string |
600
|
|
|
{ |
601
|
|
|
return $this->string; |
602
|
|
|
} |
603
|
|
|
|
604
|
|
|
public function toUnicodeString(): UnicodeString |
605
|
|
|
{ |
606
|
|
|
return new UnicodeString($this->string); |
607
|
|
|
} |
608
|
|
|
|
609
|
|
|
/** |
610
|
|
|
* @return static |
611
|
|
|
*/ |
612
|
|
|
abstract public function trim(string $chars = " \t\n\r\0\x0B\x0C\u{A0}\u{FEFF}"): self; |
613
|
|
|
|
614
|
|
|
/** |
615
|
|
|
* @return static |
616
|
|
|
*/ |
617
|
|
|
abstract public function trimEnd(string $chars = " \t\n\r\0\x0B\x0C\u{A0}\u{FEFF}"): self; |
618
|
|
|
|
619
|
|
|
/** |
620
|
|
|
* @param string|string[] $prefix |
621
|
|
|
* |
622
|
|
|
* @return static |
623
|
|
|
*/ |
624
|
|
|
public function trimPrefix($prefix): self |
625
|
|
|
{ |
626
|
|
|
if (\is_array($prefix) || $prefix instanceof \Traversable) { |
627
|
|
|
foreach ($prefix as $s) { |
628
|
|
|
$t = $this->trimPrefix($s); |
629
|
|
|
|
630
|
|
|
if ($t->string !== $this->string) { |
631
|
|
|
return $t; |
632
|
|
|
} |
633
|
|
|
} |
634
|
|
|
|
635
|
|
|
return clone $this; |
636
|
|
|
} |
637
|
|
|
|
638
|
|
|
$str = clone $this; |
639
|
|
|
|
640
|
|
|
if ($prefix instanceof self) { |
|
|
|
|
641
|
|
|
$prefix = $prefix->string; |
642
|
|
|
} else { |
643
|
|
|
$prefix = (string) $prefix; |
644
|
|
|
} |
645
|
|
|
|
646
|
|
|
if ('' !== $prefix && \strlen($this->string) >= \strlen($prefix) && 0 === substr_compare($this->string, $prefix, 0, \strlen($prefix), $this->ignoreCase)) { |
|
|
|
|
647
|
|
|
$str->string = substr($this->string, \strlen($prefix)); |
648
|
|
|
} |
649
|
|
|
|
650
|
|
|
return $str; |
651
|
|
|
} |
652
|
|
|
|
653
|
|
|
/** |
654
|
|
|
* @return static |
655
|
|
|
*/ |
656
|
|
|
abstract public function trimStart(string $chars = " \t\n\r\0\x0B\x0C\u{A0}\u{FEFF}"): self; |
657
|
|
|
|
658
|
|
|
/** |
659
|
|
|
* @param string|string[] $suffix |
660
|
|
|
* |
661
|
|
|
* @return static |
662
|
|
|
*/ |
663
|
|
|
public function trimSuffix($suffix): self |
664
|
|
|
{ |
665
|
|
|
if (\is_array($suffix) || $suffix instanceof \Traversable) { |
666
|
|
|
foreach ($suffix as $s) { |
667
|
|
|
$t = $this->trimSuffix($s); |
668
|
|
|
|
669
|
|
|
if ($t->string !== $this->string) { |
670
|
|
|
return $t; |
671
|
|
|
} |
672
|
|
|
} |
673
|
|
|
|
674
|
|
|
return clone $this; |
675
|
|
|
} |
676
|
|
|
|
677
|
|
|
$str = clone $this; |
678
|
|
|
|
679
|
|
|
if ($suffix instanceof self) { |
|
|
|
|
680
|
|
|
$suffix = $suffix->string; |
681
|
|
|
} else { |
682
|
|
|
$suffix = (string) $suffix; |
683
|
|
|
} |
684
|
|
|
|
685
|
|
|
if ('' !== $suffix && \strlen($this->string) >= \strlen($suffix) && 0 === substr_compare($this->string, $suffix, -\strlen($suffix), null, $this->ignoreCase)) { |
|
|
|
|
686
|
|
|
$str->string = substr($this->string, 0, -\strlen($suffix)); |
687
|
|
|
} |
688
|
|
|
|
689
|
|
|
return $str; |
690
|
|
|
} |
691
|
|
|
|
692
|
|
|
/** |
693
|
|
|
* @return static |
694
|
|
|
*/ |
695
|
|
|
public function truncate(int $length, string $ellipsis = '', bool $cut = true): self |
696
|
|
|
{ |
697
|
|
|
$stringLength = $this->length(); |
698
|
|
|
|
699
|
|
|
if ($stringLength <= $length) { |
700
|
|
|
return clone $this; |
701
|
|
|
} |
702
|
|
|
|
703
|
|
|
$ellipsisLength = '' !== $ellipsis ? (new static($ellipsis))->length() : 0; |
704
|
|
|
|
705
|
|
|
if ($length < $ellipsisLength) { |
706
|
|
|
$ellipsisLength = 0; |
707
|
|
|
} |
708
|
|
|
|
709
|
|
|
if (!$cut) { |
710
|
|
|
if (null === $length = $this->indexOf([' ', "\r", "\n", "\t"], ($length ?: 1) - 1)) { |
711
|
|
|
return clone $this; |
712
|
|
|
} |
713
|
|
|
|
714
|
|
|
$length += $ellipsisLength; |
715
|
|
|
} |
716
|
|
|
|
717
|
|
|
$str = $this->slice(0, $length - $ellipsisLength); |
718
|
|
|
|
719
|
|
|
return $ellipsisLength ? $str->trimEnd()->append($ellipsis) : $str; |
720
|
|
|
} |
721
|
|
|
|
722
|
|
|
/** |
723
|
|
|
* @return static |
724
|
|
|
*/ |
725
|
|
|
abstract public function upper(): self; |
726
|
|
|
|
727
|
|
|
/** |
728
|
|
|
* Returns the printable length on a terminal. |
729
|
|
|
*/ |
730
|
|
|
abstract public function width(bool $ignoreAnsiDecoration = true): int; |
731
|
|
|
|
732
|
|
|
/** |
733
|
|
|
* @return static |
734
|
|
|
*/ |
735
|
|
|
public function wordwrap(int $width = 75, string $break = "\n", bool $cut = false): self |
736
|
|
|
{ |
737
|
|
|
$lines = '' !== $break ? $this->split($break) : [clone $this]; |
738
|
|
|
$chars = []; |
739
|
|
|
$mask = ''; |
740
|
|
|
|
741
|
|
|
if (1 === \count($lines) && '' === $lines[0]->string) { |
742
|
|
|
return $lines[0]; |
743
|
|
|
} |
744
|
|
|
|
745
|
|
|
foreach ($lines as $i => $line) { |
746
|
|
|
if ($i) { |
747
|
|
|
$chars[] = $break; |
748
|
|
|
$mask .= '#'; |
749
|
|
|
} |
750
|
|
|
|
751
|
|
|
foreach ($line->chunk() as $char) { |
752
|
|
|
$chars[] = $char->string; |
753
|
|
|
$mask .= ' ' === $char->string ? ' ' : '?'; |
754
|
|
|
} |
755
|
|
|
} |
756
|
|
|
|
757
|
|
|
$string = ''; |
758
|
|
|
$j = 0; |
759
|
|
|
$b = $i = -1; |
760
|
|
|
$mask = wordwrap($mask, $width, '#', $cut); |
761
|
|
|
|
762
|
|
|
while (false !== $b = strpos($mask, '#', $b + 1)) { |
763
|
|
|
for (++$i; $i < $b; ++$i) { |
764
|
|
|
$string .= $chars[$j]; |
765
|
|
|
unset($chars[$j++]); |
766
|
|
|
} |
767
|
|
|
|
768
|
|
|
if ($break === $chars[$j] || ' ' === $chars[$j]) { |
769
|
|
|
unset($chars[$j++]); |
770
|
|
|
} |
771
|
|
|
|
772
|
|
|
$string .= $break; |
773
|
|
|
} |
774
|
|
|
|
775
|
|
|
$str = clone $this; |
776
|
|
|
$str->string = $string.implode('', $chars); |
777
|
|
|
|
778
|
|
|
return $str; |
779
|
|
|
} |
780
|
|
|
|
781
|
|
|
public function __sleep(): array |
782
|
|
|
{ |
783
|
|
|
return ['string']; |
784
|
|
|
} |
785
|
|
|
|
786
|
|
|
public function __clone() |
787
|
|
|
{ |
788
|
|
|
$this->ignoreCase = false; |
789
|
|
|
} |
790
|
|
|
|
791
|
|
|
public function __toString(): string |
792
|
|
|
{ |
793
|
|
|
return $this->string; |
794
|
|
|
} |
795
|
|
|
} |
796
|
|
|
|