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<?php |
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/** |
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* League.Uri (https://uri.thephpleague.com) |
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* |
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* (c) Ignace Nyamagana Butera <[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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declare(strict_types=1); |
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namespace League\Uri\UriTemplate; |
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use League\Uri\Exceptions\TemplateCanNotBeExpanded; |
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use function gettype; |
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use function is_array; |
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use function is_bool; |
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use function is_scalar; |
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use function method_exists; |
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use function sprintf; |
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final class VariableBag |
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{ |
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/** |
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* @var array<string,string|array<string>> |
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*/ |
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private $variables = []; |
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/** |
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* @param iterable<string,mixed> $variables |
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*/ |
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public function __construct(iterable $variables = []) |
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{ |
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foreach ($variables as $name => $value) { |
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$this->assign($name, $value); |
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} |
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} |
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public static function __set_state(array $properties): self |
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{ |
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return new self($properties['variables']); |
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} |
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/** |
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* @return array<string,string|array<string>> |
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*/ |
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public function all(): array |
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{ |
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return $this->variables; |
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} |
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/** |
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* Fetches the variable value if none found returns null. |
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* |
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* @return null|string|array<string> |
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*/ |
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public function fetch(string $name) |
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{ |
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return $this->variables[$name] ?? null; |
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} |
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/** |
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* @param string|array<string> $value |
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*/ |
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public function assign(string $name, $value): void |
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{ |
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$this->variables[$name] = $this->normalizeValue($value, $name, true); |
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} |
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/** |
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* @param mixed $value the value to be expanded |
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* |
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* @throws TemplateCanNotBeExpanded if the value contains nested list |
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* |
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* @return string|array<string> |
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*/ |
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private function normalizeValue($value, string $name, bool $isNestedListAllowed) |
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{ |
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if (is_bool($value)) { |
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return true === $value ? '1' : '0'; |
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} |
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if (null === $value || is_scalar($value) || method_exists($value, '__toString')) { |
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return (string) $value; |
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} |
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if (!is_array($value)) { |
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throw new \TypeError(sprintf('The variable '.$name.' must be NULL, a scalar or a stringable object `%s` given', gettype($value))); |
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} |
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if (!$isNestedListAllowed) { |
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throw TemplateCanNotBeExpanded::dueToNestedListOfValue($name); |
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} |
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foreach ($value as &$var) { |
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$var = self::normalizeValue($var, $name, false); |
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} |
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unset($var); |
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return $value; |
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} |
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/** |
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* Replaces elements from passed variables into the current instance. |
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*/ |
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public function replace(VariableBag $variables): self |
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{ |
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$instance = clone $this; |
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$instance->variables += $variables->variables; |
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return $instance; |
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} |
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} |
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thephpleague /
uri
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