ivyforms / backend / scope-vendor / php-di / invoker / src / ParameterResolver / DefaultValueResolver.php

DefaultValueResolver.php in The Innovative Form Builder – IvyForms 1.5, at backend/scope-vendor/php-di/invoker/src/ParameterResolver/DefaultValueResolver.php

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1	<?php declare(strict_types=1);
2
3	namespace IvyForms\Vendor\Invoker\ParameterResolver;
4
5	use ReflectionException;
6	use ReflectionFunctionAbstract;
7
8	/**
9	* Finds the default value for a parameter, if it exists.
10	*/
11	class DefaultValueResolver implements ParameterResolver
12	{
13	public function getParameters(
14	ReflectionFunctionAbstract $reflection,
15	array $providedParameters,
16	array $resolvedParameters
17	): array {
18	$parameters = $reflection->getParameters();
19
20	// Skip parameters already resolved
21	if (! empty($resolvedParameters)) {
22	$parameters = array_diff_key($parameters, $resolvedParameters);
23	}
24
25	foreach ($parameters as $index => $parameter) {
26	\assert($parameter instanceof \ReflectionParameter);
27	if ($parameter->isDefaultValueAvailable()) {
28	try {
29	$resolvedParameters[$index] = $parameter->getDefaultValue();
30	} catch (ReflectionException $e) {
31	// Can't get default values from PHP internal classes and functions
32	}
33	} else {
34	$parameterType = $parameter->getType();
35	if ($parameterType && $parameterType->allowsNull()) {
36	$resolvedParameters[$index] = null;
37	}
38	}
39	}
40
41	return $resolvedParameters;
42	}
43	}
44