47 lines
1.3 KiB
PHP
47 lines
1.3 KiB
PHP
<?php
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namespace Illuminate\Routing;
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use Illuminate\Support\Reflector;
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use Illuminate\Support\Str;
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use ReflectionFunction;
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use ReflectionMethod;
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class RouteSignatureParameters
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{
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/**
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* Extract the route action's signature parameters.
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*
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* @param array $action
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* @param string|null $subClass
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* @return array
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*/
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public static function fromAction(array $action, $subClass = null)
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{
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$parameters = is_string($action['uses'])
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? static::fromClassMethodString($action['uses'])
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: (new ReflectionFunction($action['uses']))->getParameters();
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return is_null($subClass) ? $parameters : array_filter($parameters, function ($p) use ($subClass) {
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return Reflector::isParameterSubclassOf($p, $subClass);
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});
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}
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/**
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* Get the parameters for the given class / method by string.
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*
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* @param string $uses
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* @return array
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*/
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protected static function fromClassMethodString($uses)
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{
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[$class, $method] = Str::parseCallback($uses);
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if (! method_exists($class, $method) && Reflector::isCallable($class, $method)) {
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return [];
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}
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return (new ReflectionMethod($class, $method))->getParameters();
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}
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}
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