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FunctionTypehintSpaceFixer.php
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FunctionTypehintSpaceFixer.php
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<?php
declare(strict_types=1);
/*
* This file is part of PHP CS Fixer.
*
* (c) Fabien Potencier <fabien@symfony.com>
* Dariusz Rumiński <dariusz.ruminski@gmail.com>
*
* This source file is subject to the MIT license that is bundled
* with this source code in the file LICENSE.
*/
namespace PhpCsFixer\Fixer\FunctionNotation;
use PhpCsFixer\AbstractFixer;
use PhpCsFixer\FixerDefinition\CodeSample;
use PhpCsFixer\FixerDefinition\FixerDefinition;
use PhpCsFixer\FixerDefinition\FixerDefinitionInterface;
use PhpCsFixer\Tokenizer\Analyzer\Analysis\TypeAnalysis;
use PhpCsFixer\Tokenizer\Analyzer\FunctionsAnalyzer;
use PhpCsFixer\Tokenizer\Tokens;
/**
* @author Dariusz Rumiński <dariusz.ruminski@gmail.com>
*/
final class FunctionTypehintSpaceFixer extends AbstractFixer
{
/**
* {@inheritdoc}
*/
public function getDefinition(): FixerDefinitionInterface
{
return new FixerDefinition(
'Ensure single space between function\'s argument and its typehint.',
[
new CodeSample("<?php\nfunction sample(array\$a)\n{}\n"),
new CodeSample("<?php\nfunction sample(array \$a)\n{}\n"),
]
);
}
/**
* {@inheritdoc}
*/
public function isCandidate(Tokens $tokens): bool
{
return $tokens->isAnyTokenKindsFound([T_FUNCTION, T_FN]);
}
/**
* {@inheritdoc}
*/
protected function applyFix(\SplFileInfo $file, Tokens $tokens): void
{
$functionsAnalyzer = new FunctionsAnalyzer();
for ($index = $tokens->count() - 1; $index >= 0; --$index) {
$token = $tokens[$index];
if (!$token->isGivenKind([T_FUNCTION, T_FN])) {
continue;
}
$arguments = $functionsAnalyzer->getFunctionArguments($tokens, $index);
foreach (array_reverse($arguments) as $argument) {
$type = $argument->getTypeAnalysis();
if (!$type instanceof TypeAnalysis) {
continue;
}
$tokens->ensureWhitespaceAtIndex($type->getEndIndex() + 1, 0, ' ');
}
}
}
}