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<?php |
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namespace BenTools\QueryString; |
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use IteratorAggregate; |
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use Traversable; |
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final class Pairs implements IteratorAggregate |
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{ |
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/** |
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* @var string |
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*/ |
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private $queryString; |
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/** |
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* @var bool |
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*/ |
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private $decodeKeys; |
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/** |
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* @var bool |
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*/ |
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private $decodeValues; |
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/** |
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* @var null|string |
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*/ |
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private $separator; |
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/** |
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* Pairs constructor. |
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*/ |
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public function __construct( |
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string $queryString, |
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bool $decodeKeys = false, |
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bool $decodeValues = false, |
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string $separator = null |
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) { |
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$this->queryString = $queryString; |
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$this->decodeKeys = $decodeKeys; |
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$this->decodeValues = $decodeValues; |
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$this->separator = $separator; |
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} |
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/** |
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* @param string $queryString |
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* @return Pairs |
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*/ |
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public function withQueryString(string $queryString): self |
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{ |
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$clone = clone $this; |
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$clone->queryString = $queryString; |
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return $clone; |
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} |
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/** |
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* @param bool $decodeKeys |
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* @return Pairs |
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*/ |
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public function withDecodeKeys(bool $decodeKeys): self |
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{ |
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$clone = clone $this; |
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$clone->decodeKeys = $decodeKeys; |
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return $clone; |
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} |
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/** |
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* @param bool $decodeValues |
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* @return Pairs |
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*/ |
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public function withDecodeValues(bool $decodeValues): self |
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{ |
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$clone = clone $this; |
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$clone->decodeValues = $decodeValues; |
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return $clone; |
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} |
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/** |
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* @param null|string $separator |
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* @return Pairs |
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*/ |
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public function withSeparator(?string $separator): self |
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{ |
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$clone = clone $this; |
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$clone->separator = $separator; |
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return $clone; |
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} |
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/** |
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* @return Traversable |
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*/ |
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public function getIterator(): Traversable |
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{ |
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if ('' === trim($this->queryString)) { |
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return; |
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} |
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$separator = $this->separator ?? ini_get('arg_separator.input'); |
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if ('' === $separator) { |
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throw new \RuntimeException("A separator cannot be blank."); |
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} |
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$pairs = explode($separator, $this->queryString); |
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foreach ($pairs as $pair) { |
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$keyValue = explode('=', $pair); |
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$key = $keyValue[0]; |
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$value = $keyValue[1] ?? null; |
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if (true === $this->decodeKeys) { |
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$key = urldecode($key); |
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} |
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if (true === $this->decodeValues) { |
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$value = urldecode($value); |
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} |
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yield $key => $value; |
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} |
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} |
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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 (string) $this->queryString; |
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} |
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} |
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bpolaszek /
querystring
