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<?php |
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namespace ArgumentsResolver; |
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abstract class ArgumentsResolver |
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{ |
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/** |
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* @var \ReflectionFunctionAbstract |
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*/ |
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protected $reflection; |
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/** |
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* @param mixed $function |
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*/ |
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public function __construct($function) |
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{ |
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$this->reflection = $function instanceof \ReflectionFunctionAbstract |
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? $function |
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: ReflectionFactory::create($function); |
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} |
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/** |
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* Resolves function arguments. |
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* |
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* @param array $parameters |
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* |
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* @return array |
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* |
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* @throws UnresolvableArgumentException |
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*/ |
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public function resolve(array $parameters) |
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{ |
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if (!$number = $this->reflection->getNumberOfParameters()) { |
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2 |
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return []; |
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} |
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$arguments = array_fill(0, $number, null); |
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foreach ($this->getParameters() as $pos => $parameter) { |
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$result = $this->match($parameter, $parameters); |
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if ($result) { |
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$arguments[$pos] = $result[1]; |
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unset($parameters[$result[0]]); |
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continue; |
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} |
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if ($parameter->isDefaultValueAvailable()) { |
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$arguments[$pos] = $parameter->getDefaultValue(); |
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continue; |
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} |
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throw new UnresolvableArgumentException($parameter); |
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} |
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return $arguments; |
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} |
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/** |
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* Returns an array of reflection parameters. |
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* |
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* @return \ReflectionParameter[] |
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*/ |
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protected function getParameters() |
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{ |
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return $this->reflection->getParameters(); |
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} |
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/** |
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* Returns the [key, value] pair if the parameter is matched or null otherwise. |
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* |
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* @param \ReflectionParameter $parameter |
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* @param array $parameters |
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* |
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* @return array|null |
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*/ |
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abstract protected function match(\ReflectionParameter $parameter, array $parameters); |
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} |
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rybakit /
arguments-resolver
This check marks implicit conversions of arrays to boolean values in a comparison. While in PHP an empty array is considered to be equal (but not identical) to false, this is not always apparent.
Consider making the comparison explicit by using
empty(..)or! empty(...)instead.