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2025-11-25 22:42:56 +01:00

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PHP

<?php
/**
* League.Uri (https://uri.thephpleague.com)
*
* (c) Ignace Nyamagana Butera <nyamsprod@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
declare(strict_types=1);
namespace League\Uri\Components;
use Deprecated;
use Iterator;
use League\Uri\Contracts\QueryInterface;
use League\Uri\Contracts\UriComponentInterface;
use League\Uri\Contracts\UriException;
use League\Uri\Contracts\UriInterface;
use League\Uri\Encoder;
use League\Uri\Exceptions\SyntaxError;
use League\Uri\KeyValuePair\Converter;
use League\Uri\QueryString;
use League\Uri\UriString;
use Psr\Http\Message\UriInterface as Psr7UriInterface;
use Stringable;
use Traversable;
use Uri\Rfc3986\Uri as Rfc3986Uri;
use Uri\WhatWg\Url as WhatWgUrl;
use ValueError;
use function array_column;
use function array_count_values;
use function array_filter;
use function array_flip;
use function array_intersect;
use function array_is_list;
use function array_map;
use function array_merge;
use function count;
use function get_object_vars;
use function http_build_query;
use function implode;
use function in_array;
use function is_int;
use function is_object;
use function is_string;
use function preg_match;
use function preg_quote;
use function preg_replace;
use const JSON_PRESERVE_ZERO_FRACTION;
use const PREG_SPLIT_NO_EMPTY;
final class Query extends Component implements QueryInterface
{
private const REGEXP_NON_ASCII_PATTERN = '/[^\x20-\x7f]/';
/** @var array<int, array{0:string, 1:string|null}> */
private readonly array $pairs;
/** @var non-empty-string */
private readonly string $separator;
private readonly array $parameters;
/**
* Returns a new instance.
*/
private function __construct(Stringable|string|null $query, ?Converter $converter = null)
{
$converter ??= Converter::fromRFC3986();
$this->pairs = QueryString::parseFromValue($query, $converter);
$this->parameters = QueryString::extractFromValue($query, $converter);
$this->separator = $converter->separator();
}
public static function new(Stringable|string|null $value = null): self
{
return self::fromRFC3986($value);
}
/**
* Create a new instance from a string.or a stringable structure or returns null on failure.
*/
public static function tryNew(Stringable|string|null $uri = null): ?self
{
try {
return self::new($uri);
} catch (UriException) {
return null;
}
}
/**
* Returns a new instance from the input of http_build_query.
*
* @param non-empty-string $separator
*/
public static function fromVariable(object|array $parameters, string $separator = '&', string $prefix = ''): self
{
$params = is_object($parameters) ? get_object_vars($parameters) : $parameters;
$data = [];
foreach ($params as $name => $value) {
$data[$prefix.$name] = $value;
}
return new self(http_build_query(data: $data, arg_separator: $separator), Converter::fromRFC1738($separator));
}
/**
* Returns a new instance from the result of QueryString::parse.
*
* @param iterable<int, array{0:string, 1:string|null}> $pairs
* @param non-empty-string $separator
*/
public static function fromPairs(iterable $pairs, string $separator = '&', string $prefix = ''): self
{
$data = [];
foreach ($pairs as $pair) {
if (!is_array($pair) || !array_is_list($pair) || 2 !== count($pair)) {
throw new SyntaxError('A pair must be a sequential array starting at `0` and containing two elements.');
}
$data[] = [$prefix.$pair[0], $pair[1]];
}
$converter = Converter::fromRFC3986($separator);
return new self(QueryString::buildFromPairs($data, $converter), $converter);
}
/**
* Create a new instance from a URI object.
*/
public static function fromUri(WhatWgUrl|Rfc3986Uri|Stringable|string $uri): self
{
$uri = self::filterUri($uri);
return match (true) {
$uri instanceof Rfc3986Uri => new self($uri->getRawQuery()),
$uri instanceof Psr7UriInterface => new self(UriString::parse($uri)['query']),
default => new self($uri->getQuery()),
};
}
/**
* Returns a new instance.
*
* @param non-empty-string $separator
*/
public static function fromRFC3986(Stringable|string|null $query = null, string $separator = '&'): self
{
return new self($query, Converter::fromRFC3986($separator));
}
/**
* Returns a new instance.
*
* @param non-empty-string $separator
*/
public static function fromRFC1738(Stringable|string|null $query = null, string $separator = '&'): self
{
return new self($query, Converter::fromRFC1738($separator));
}
/**
* Returns a new instance.
*
* @param non-empty-string $separator
*/
public static function fromFormData(Stringable|string|null $query = null, string $separator = '&'): self
{
return new self($query, Converter::fromFormData($separator));
}
public function getSeparator(): string
{
return $this->separator;
}
public function toRFC3986(): ?string
{
return QueryString::buildFromPairs($this->pairs, Converter::fromRFC3986($this->separator));
}
public function toRFC1738(): ?string
{
return QueryString::buildFromPairs($this->pairs, Converter::fromRFC1738($this->separator));
}
public function toFormData(): ?string
{
return QueryString::buildFromPairs($this->pairs, Converter::fromFormData($this->separator));
}
public function decoded(): ?string
{
return Converter::new($this->separator)->toValue($this);
}
public function normalize(): self
{
return self::new(Encoder::normalizeQuery($this->value()));
}
public function value(): ?string
{
return $this->toRFC3986();
}
public function getUriComponent(): string
{
return match ([]) {
$this->pairs => '',
default => '?'.$this->value(),
};
}
public function jsonSerialize(): ?string
{
return $this->toFormData();
}
public function count(): int
{
return count($this->pairs);
}
public function getIterator(): Iterator
{
yield from $this->pairs;
}
public function pairs(): iterable
{
foreach ($this->pairs as $pair) {
yield $pair[0] => $pair[1];
}
}
public function has(string ...$keys): bool
{
foreach ($keys as $key) {
if (!isset(array_flip(array_column($this->pairs, 0))[$key])) {
return false;
}
}
return [] !== $keys;
}
public function hasPair(string $key, ?string $value): bool
{
return in_array([$key, $value], $this->pairs, true);
}
public function get(string $key): ?string
{
foreach ($this->pairs as $pair) {
if ($key === $pair[0]) {
return $pair[1];
}
}
return null;
}
public function getAll(string $key): array
{
return array_column(array_filter($this->pairs, fn (array $pair): bool => $key === $pair[0]), 1);
}
public function equals(mixed $value): bool
{
if (!$value instanceof Stringable && !is_string($value) && null !== $value) {
return false;
}
if (!$value instanceof UriComponentInterface) {
$value = self::tryNew($value);
if (null === $value) {
return false;
}
}
return $value->getUriComponent() === $this->getUriComponent();
}
public function parameters(): array
{
return $this->parameters;
}
public function parameter(string $name): mixed
{
return $this->parameters[$name] ?? null;
}
public function hasParameter(string ...$names): bool
{
foreach ($names as $name) {
if (!isset($this->parameters[$name])) {
return false;
}
}
return [] !== $names;
}
public function mergeParameters(object|array $parameter, string $prefix = ''): self
{
$params = is_object($parameter) ? get_object_vars($parameter) : $parameter;
$data = [];
foreach ($params as $name => $value) {
$data[$prefix.$name] = $value;
}
return in_array($data, [$this->parameters, []], true) ? $this : new self(
http_build_query(data: array_merge($this->parameters, $data), arg_separator: $this->separator),
Converter::fromRFC1738($this->separator)
);
}
public function replaceParameter(string $name, mixed $parameter): self
{
$this->hasParameter($name) || throw new ValueError('The specified name does not exist');
if ($parameter === $this->parameters[$name]) {
return $this;
}
$parameters = $this->parameters;
$parameters[$name] = $parameter;
return new self(http_build_query(data: $parameters, arg_separator: $this->separator), Converter::fromRFC1738($this->separator));
}
public function withSeparator(string $separator): self
{
return match ($separator) {
$this->separator => $this,
'' => throw new SyntaxError('The separator character cannot be the empty string.'),
default => self::fromPairs($this->pairs, $separator),
};
}
public function sort(): self
{
$codepoints = fn (?string $str): string => in_array($str, ['', null], true) ? '' : implode('.', array_map(
mb_ord(...), /* @phpstan-ignore-line */
(array) preg_split(pattern:'//u', subject: $str, flags: PREG_SPLIT_NO_EMPTY)
));
$compare = fn (string $name1, string $name2): int => match (1) {
preg_match(self::REGEXP_NON_ASCII_PATTERN, $name1.$name2) => strcmp($codepoints($name1), $codepoints($name2)),
default => strcmp($name1, $name2),
};
$parameters = array_reduce($this->pairs, function (array $carry, array $pair) {
$carry[$pair[0]] ??= [];
$carry[$pair[0]][] = $pair[1];
return $carry;
}, []);
uksort($parameters, $compare);
$pairs = [];
foreach ($parameters as $key => $values) {
$pairs = [...$pairs, ...array_map(fn ($value) => [$key, $value], $values)];
}
return match ($this->pairs) {
$pairs => $this,
default => self::fromPairs($pairs),
};
}
public function withoutDuplicates(): self
{
if (count($this->pairs) === count(array_count_values(array_column($this->pairs, 0)))) {
return $this;
}
$pairs = array_reduce($this->pairs, $this->removeDuplicates(...), []);
if ($pairs === $this->pairs) {
return $this;
}
return self::fromPairs($pairs, $this->separator);
}
/**
* @template TInitial
*
* @param callable(TInitial|null, array{0:array-key, 1:mixed}, array-key=): TInitial $callback
* @param TInitial|null $initial
*
* @return TInitial|null
*/
public function reduce(callable $callback, mixed $initial = null): mixed
{
foreach ($this->pairs as $offset => $pair) {
$initial = $callback($initial, $pair, $offset);
}
return $initial;
}
/**
* Adds a query pair only if it is not already present in a given array.
*/
private function removeDuplicates(array $pairs, array $pair): array
{
return match (true) {
in_array($pair, $pairs, true) => $pairs,
default => [...$pairs, $pair],
};
}
public function withoutEmptyPairs(): self
{
$pairs = array_filter($this->pairs, $this->filterEmptyPair(...));
return match ($this->pairs) {
$pairs => $this,
default => self::fromPairs($pairs),
};
}
/**
* Empty Pair filtering.
*/
private function filterEmptyPair(array $pair): bool
{
return '' !== $pair[0] && null !== $pair[1] && '' !== $pair[1];
}
public function withoutNumericIndices(): self
{
$pairs = array_map($this->encodeNumericIndices(...), $this->pairs);
return match ($this->pairs) {
$pairs => $this,
default => self::fromPairs($pairs, $this->separator),
};
}
/**
* Remove numeric indices from pairs.
*
* @param array{0:string, 1:string|null} $pair
*
* @return array{0:string, 1:string|null}
*/
private function encodeNumericIndices(array $pair): array
{
static $regexp = ',\[\d+],';
$pair[0] = (string) preg_replace($regexp, '[]', $pair[0]);
return $pair;
}
public function withPair(string $key, Stringable|string|int|float|bool|null $value): QueryInterface
{
$pairs = $this->addPair($this->pairs, [$key, $this->filterPair($value)]);
return match ($this->pairs) {
$pairs => $this,
default => self::fromPairs($pairs, $this->separator),
};
}
/**
* Add a new pair to the query key/value list.
*
* If there are any key/value pair whose kay is kay, in the list,
* set the value of the first such key/value pair to value and remove the others.
* Otherwise, append a new key/value pair whose key is key and value is value, to the list.
*/
private function addPair(array $list, array $pair): array
{
$found = false;
$reducer = static function (array $pairs, array $srcPair) use ($pair, &$found): array {
if ($pair[0] !== $srcPair[0]) {
$pairs[] = $srcPair;
return $pairs;
}
if (!$found) {
$pairs[] = $pair;
$found = true;
return $pairs;
}
return $pairs;
};
$pairs = array_reduce($list, $reducer, []);
if (!$found) {
$pairs[] = $pair;
}
return $pairs;
}
public function merge(Stringable|string|null $query): QueryInterface
{
$pairs = $this->pairs;
foreach (QueryString::parse(self::filterComponent($query), $this->separator) as $pair) {
$pairs = $this->addPair($pairs, $pair);
}
return match ($this->pairs) {
$pairs => $this,
default => self::fromPairs($pairs, $this->separator),
};
}
/**
* Validate the given pair.
*
* To be valid, the pair must be the null value, a scalar or a collection of scalar and null values.
*/
private function filterPair(Stringable|string|int|float|bool|null $value): ?string
{
return match (true) {
$value instanceof UriComponentInterface => $value->value(),
null === $value => null,
true === $value => 'true',
false === $value => 'false',
is_float($value) => (string) json_encode($value, JSON_PRESERVE_ZERO_FRACTION),
default => (string) $value,
};
}
public function withoutPairByKey(string ...$keys): QueryInterface
{
if ([] === $keys) {
return $this;
}
$keysToRemove = array_intersect($keys, array_column($this->pairs, 0));
return match ([]) {
$keysToRemove => $this,
default => self::fromPairs(
array_filter($this->pairs, static fn (array $pair): bool => !in_array($pair[0], $keysToRemove, true)),
$this->separator
),
};
}
public function withoutPairByValue(Stringable|string|int|float|bool|null ...$values): self
{
if ([] === $values) {
return $this;
}
$values = array_map($this->filterPair(...), $values);
$newPairs = array_filter($this->pairs, fn (array $pair) => !in_array($pair[1], $values, true));
return match ($this->pairs) {
$newPairs => $this,
default => self::fromPairs($newPairs, $this->separator),
};
}
public function withoutPairByKeyValue(string $key, Stringable|string|int|float|bool|null $value): self
{
$pair = [$key, $this->filterPair($value)];
$newPairs = array_filter($this->pairs, fn (array $currentPair) => $currentPair !== $pair);
return match ($this->pairs) {
$newPairs => $this,
default => self::fromPairs($newPairs, $this->separator),
};
}
public function appendTo(string $key, Stringable|string|int|float|bool|null $value): QueryInterface
{
return self::fromPairs([...$this->pairs, [$key, $this->filterPair($value)]], $this->separator);
}
public function append(Stringable|string|null $query): QueryInterface
{
if ($query instanceof UriComponentInterface) {
$query = $query->value();
}
$pairs = array_merge($this->pairs, QueryString::parse($query, $this->separator));
return match ($this->pairs) {
$pairs => $this,
default => self::fromPairs(array_filter($pairs, $this->filterEmptyValue(...)), $this->separator),
};
}
public function prepend(Stringable|string|null $query): QueryInterface
{
return Query::new($query)->append($this);
}
/**
* Replace a pair based on its offset.
*/
public function replace(int $offset, string $key, Stringable|string|int|float|bool|null $value): QueryInterface
{
$index = $offset < 0 ? count($this->pairs) + $offset : $offset;
$pair = $this->pairs[$index] ?? [];
[] !== $pair || throw new ValueError('The given offset "'.$offset.'" does not exist');
$newPair = [$key, $this->filterPair($value)];
if ($pair === $newPair) {
return $this;
}
$newPairs = $this->pairs;
$newPairs[$index] = $newPair;
return self::fromPairs($newPairs, $this->separator);
}
/**
* Returns the offset of the pair based on its key and its nth occurrence.
*
* negative occurrences are supported
*/
public function indexOf(string $key, int $nth = 0): ?int
{
if ([] === $this->pairs) {
return null;
}
if ($nth < 0) {
$matchCount = 0;
for ($offset = count($this->pairs) - 1; $offset >= 0; --$offset) {
if ($this->pairs[$offset][0] === $key) {
if (++$matchCount === -$nth) {
return $offset;
}
}
}
return null;
}
$matchCount = 0;
foreach ($this->pairs as $offset => $pair) {
if ($pair[0] === $key) {
if ($nth === $matchCount) {
return $offset;
}
++$matchCount;
}
}
return null;
}
/**
* Empty Pair filtering.
*/
private function filterEmptyValue(array $pair): bool
{
return '' !== $pair[0] || null !== $pair[1];
}
public function withoutParameters(string ...$names): QueryInterface
{
if ([] === $names) {
return $this;
}
$mapper = static fn (string $offset): string => preg_quote($offset, ',').'(\[.*\].*)?';
$regexp = ',^('.implode('|', array_map($mapper, $names)).')?$,';
$filter = fn (array $pair): bool => 1 !== preg_match($regexp, $pair[0]);
$pairs = array_filter($this->pairs, $filter);
return match ($this->pairs) {
$pairs => $this,
default => self::fromPairs($pairs, $this->separator),
};
}
/**
* DEPRECATION WARNING! This method will be removed in the next major point release.
*
* @deprecated Since version 7.0.0
* @see Query::fromParameters()
*
* @codeCoverageIgnore
*
* @param non-empty-string $separator
*
* Returns a new instance from the result of PHP's parse_str.
*
* @deprecated Since version 7.0.0
*/
#[Deprecated(message:'use League\Uri\Components\Query::fromVariables() instead', since:'league/uri-components:7.0.0')]
public static function createFromParams(iterable|object $params, string $separator = '&'): self
{
return self::fromParameters($params, $separator);
}
/**
* DEPRECATION WARNING! This method will be removed in the next major point release.
*
* @deprecated Since version 7.0.0
* @see Query::fromPairs()
*
* @codeCoverageIgnore
*
*
* Returns a new instance from the result of QueryString::parse.
*
* @param iterable<int, array{0:string, 1:string|null}> $pairs
* @param non-empty-string $separator
*/
#[Deprecated(message:'use League\Uri\Components\Query::fromPairs() instead', since:'league/uri-components:7.0.0')]
public static function createFromPairs(iterable $pairs, string $separator = '&'): self
{
return self::fromPairs($pairs, $separator);
}
/**
* DEPRECATION WARNING! This method will be removed in the next major point release.
*
* @deprecated Since version 7.0.0
* @see Query::fromUri()
*
* @codeCoverageIgnore
*
* Create a new instance from a URI object.
*/
#[Deprecated(message:'use League\Uri\Components\Query::fromUri() instead', since:'league/uri-components:7.0.0')]
public static function createFromUri(Psr7UriInterface|UriInterface $uri): self
{
return self::fromUri($uri);
}
/**
* DEPRECATION WARNING! This method will be removed in the next major point release.
*
* @deprecated Since version 7.0.0
* @see Query::fromRFC3986()
*
* @codeCoverageIgnore
*
* Returns a new instance.
*
* @param non-empty-string $separator
*/
#[Deprecated(message:'use League\Uri\Components\Query::fromRFC3986() instead', since:'league/uri-components:7.0.0')]
public static function createFromRFC3986(Stringable|string|int|null $query = '', string $separator = '&'): self
{
if (null !== $query) {
$query = (string) $query;
}
return self::fromRFC3986($query, $separator);
}
/**
* DEPRECATION WARNING! This method will be removed in the next major point release.
*
* @deprecated Since version 7.0.0
* @see Query::fromRFC1738()
*
* @codeCoverageIgnore
*
* Returns a new instance.
*
* @param non-empty-string $separator
*/
#[Deprecated(message:'use League\Uri\Components\Query::fromRFC1738() instead', since:'league/uri-components:7.0.0')]
public static function createFromRFC1738(Stringable|string|int|null $query = '', string $separator = '&'): self
{
if (is_int($query)) {
$query = (string) $query;
}
return self::fromRFC1738($query, $separator);
}
/**
* DEPRECATION WARNING! This method will be removed in the next major point release.
*
* @deprecated Since version 7.0.0
* @see Query::parameters()
* @see Query::parameter()
*
* @codeCoverageIgnore
*
* Returns the query as a collection of PHP variables or a single variable assign to a specific key
*/
#[Deprecated(message:'use League\Uri\Components\Query::parameter() or League\Uri\Components\Query::parameters() instead', since:'league/uri-components:7.0.0')]
public function params(?string $key = null): mixed
{
return match (null) {
$key => $this->parameters(),
default => $this->parameter($key),
};
}
/**
* DEPRECATION WARNING! This method will be removed in the next major point release.
*
* @deprecated Since version 7.0.0
* @see Query::withoutParameters()
*
* @codeCoverageIgnore
*/
#[Deprecated(message:'use League\Uri\Components\Query::withoutParameters() instead', since:'league/uri-components:7.0.0')]
public function withoutParams(string ...$names): QueryInterface
{
return $this->withoutParameters(...$names);
}
/**
* DEPRECATION WARNING! This method will be removed in the next major point release.
*
* @deprecated Since version 7.3.0
* @see Query::withoutPairByKey()
*
* @codeCoverageIgnore
*/
#[Deprecated(message:'use League\Uri\Components\Query::withoutPairByKey() instead', since:'league/uri-components:7.3.0')]
public function withoutPair(string ...$keys): QueryInterface
{
return $this->withoutPairByKey(...$keys);
}
/**
* DEPRECATION WARNING! This method will be removed in the next major point release.
*
* @param non-empty-string $separator
*
* @see Query::fromVariable()
*
* @codeCoverageIgnore
* Returns a new instance from the result of PHP's parse_str.
*
* @deprecated Since version 7.0.0
*/
#[Deprecated(message:'use League\Uri\Components\Query::fromVariable() instead', since:'league/uri-components:7.0.0')]
public static function fromParameters(object|array $parameters, string $separator = '&'): self
{
if ($parameters instanceof QueryInterface) {
return self::fromPairs($parameters, $separator);
}
$parameters = match (true) {
$parameters instanceof Traversable => iterator_to_array($parameters),
default => $parameters,
};
$query = match ([]) {
$parameters => null,
default => http_build_query(data: $parameters, arg_separator: $separator),
};
return new self($query, Converter::fromRFC1738($separator));
}
}