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<?php
/*
* 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\Strict;
use PhpCsFixer\AbstractFixer;
use PhpCsFixer\FixerDefinition\CodeSample;
use PhpCsFixer\FixerDefinition\FixerDefinition;
use PhpCsFixer\Tokenizer\Token;
use PhpCsFixer\Tokenizer\Tokens;
/**
* @author Dariusz Rumiński <dariusz.ruminski@gmail.com>
*/
final class StrictComparisonFixer extends AbstractFixer
{
public function getDefinition()
{
return new FixerDefinition(
'Comparisons should be strict.',
[new CodeSample("<?php\n\$a = 1== \$b;\n")],
null,
'Changing comparisons to strict might change code behavior.'
);
}
/**
* {@inheritdoc}
*/
public function isCandidate(Tokens $tokens)
{
return $tokens->isAnyTokenKindsFound([T_IS_EQUAL, T_IS_NOT_EQUAL]);
}
/**
* {@inheritdoc}
*/
public function isRisky()
{
return true;
}
/**
* {@inheritdoc}
*/
protected function applyFix(\SplFileInfo $file, Tokens $tokens)
{
static $map = [
T_IS_EQUAL => [
'id' => T_IS_IDENTICAL,
'content' => '===',
],
T_IS_NOT_EQUAL => [
'id' => T_IS_NOT_IDENTICAL,
'content' => '!==',
],
];
foreach ($tokens as $index => $token) {
$tokenId = $token->getId();
if (isset($map[$tokenId])) {
$tokens[$index] = new Token([$map[$tokenId]['id'], $map[$tokenId]['content']]);
}
}
}
}