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psalm/tests/Config/Plugin/Hook/MagicFunctionProvider.php

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<?php
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namespace Psalm\Test\Config\Plugin\Hook;
use PhpParser;
use Psalm\CodeLocation;
use Psalm\Context;
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use Psalm\Plugin\Hook\FunctionExistenceProviderInterface;
use Psalm\Plugin\Hook\FunctionParamsProviderInterface;
use Psalm\Plugin\Hook\FunctionReturnTypeProviderInterface;
use Psalm\StatementsSource;
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use Psalm\Type;
class MagicFunctionProvider implements
FunctionExistenceProviderInterface,
FunctionParamsProviderInterface,
FunctionReturnTypeProviderInterface
{
/**
* @return array<string>
*/
public static function getFunctionIds() : array
{
return ['magicfunction'];
}
/**
* @return ?bool
*/
public static function doesFunctionExist(
StatementsSource $source,
string $function_id,
CodeLocation $code_location = null
) {
return $function_id === 'magicfunction';
}
/**
* @param array<PhpParser\Node\Arg> $call_args
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*
* @return ?array<int, \Psalm\Storage\FunctionLikeParameter>
*/
public static function getFunctionParams(
StatementsSource $statements_source,
string $function_id,
array $call_args,
Context $context = null,
CodeLocation $code_location = null
) {
return [new \Psalm\Storage\FunctionLikeParameter('first', false, Type::getString())];
}
/**
* @param array<PhpParser\Node\Arg> $call_args
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*
* @return ?Type\Union
*/
public static function getFunctionReturnType(
StatementsSource $source,
string $function_id,
array $call_args,
Context $context,
CodeLocation $code_location
) {
return Type::getString();
}
}