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<?php |
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namespace Wandu\Caster; |
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use Wandu\Caster\Caster\ArrayCaster; |
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use Wandu\Caster\Caster\BooleanCatser; |
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use Wandu\Caster\Caster\FloatCaster; |
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use Wandu\Caster\Caster\IntegerCaster; |
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use Wandu\Caster\Caster\StringCaster; |
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class Caster implements CastManagerInterface |
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{ |
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/** @var \Wandu\Caster\CasterInterface[] */ |
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protected $casters = []; |
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/** |
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* @param \Wandu\Caster\CasterInterface[] $casters |
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*/ |
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public function __construct(array $casters = []) |
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{ |
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$this->casters = $casters + $this->getDefaultCasters(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function addCaster(string $type, CasterInterface $caster) |
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{ |
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$this->casters[$type] = $caster; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function cast($value, string $type) |
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{ |
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$originType = $type; |
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if ($this->isNullable($type) && $value === null) { |
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return null; |
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} |
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$type = rtrim($type, '?'); // strip nullable |
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if ($this->isArrayable($type)) { |
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$type = substr($type, 0, -2); // strip [] |
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return array_map(function ($item) use ($type) { |
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return $this->cast($item, $type); |
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}, $this->getCaster('[]', $originType)->cast($value)); |
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} |
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return $this->getCaster($type, $originType)->cast($value); |
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} |
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/** |
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* @param string $type |
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* @param string $originType |
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* @return \Wandu\Caster\CasterInterface |
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*/ |
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protected function getCaster(string $type, string $originType): CasterInterface |
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{ |
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if (isset($this->casters[$type])) { |
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return $this->casters[$type]; |
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} |
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throw new UnsupportTypeException($originType); |
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} |
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/** |
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* @param string $type |
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* @return bool |
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*/ |
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protected function isArrayable($type): bool |
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{ |
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return substr($type, -2) === '[]'; |
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} |
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/** |
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* @param string $type |
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* @return bool |
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*/ |
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protected function isNullable($type): bool |
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{ |
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return substr($type, -1) === '?'; |
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} |
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/** |
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* @return \Wandu\Caster\CasterInterface[] |
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*/ |
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protected function getDefaultCasters() |
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{ |
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$integerCaster = new IntegerCaster(); |
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$floatCaster = new FloatCaster(); |
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$booleanCaster = new BooleanCatser(); |
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$arrayCaster = new ArrayCaster(); |
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return [ |
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'string' => new StringCaster(), |
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'int' => $integerCaster, |
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'integer' => $integerCaster, |
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'num' => $floatCaster, |
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'number' => $floatCaster, |
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'float' => $floatCaster, |
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'double' => $floatCaster, |
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'bool' => $booleanCaster, |
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'boolean' => $booleanCaster, |
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'array' => $arrayCaster, |
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'[]' => $arrayCaster, // special caster |
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]; |
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} |
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} |
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Wandu /
Framework
Our type inference engine has found an assignment to a property that is incompatible with the declared type of that property.
Either this assignment is in error or the assigned type should be added to the documentation/type hint for that property..