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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 Symfony\CS\Fixer\Contrib;
use Symfony\CS\AbstractFixer;
use Symfony\CS\Tokenizer\Token;
use Symfony\CS\Tokenizer\Tokens;
/**
* @author Sullivan Senechal <soullivaneuh@gmail.com>
*/
final class EchoToPrintFixer extends AbstractFixer
{
/**
* {@inheritdoc}
*/
public function fix(\SplFileInfo $file, $content)
{
$tokens = Tokens::fromCode($content);
$echoTokens = $tokens->findGivenKind(T_ECHO);
if (defined('HHVM_VERSION')) {
/*
* HHVM parses '<?=' as T_ECHO instead of T_OPEN_TAG_WITH_ECHO
*
* @see https://github.com/facebook/hhvm/issues/4809
* @see https://github.com/facebook/hhvm/issues/7161
*/
$echoTokens = array_filter(
$echoTokens,
function (Token $token) {
return 0 !== strpos($token->getContent(), '<?=');
}
);
}
foreach ($echoTokens as $echoIndex => $echoToken) {
$nextTokenIndex = $tokens->getNextMeaningfulToken($echoIndex);
$endTokenIndex = $tokens->getNextTokenOfKind($echoIndex, array(';', array(T_CLOSE_TAG)));
$canBeConverted = true;
for ($i = $nextTokenIndex; $i < $endTokenIndex; ++$i) {
if ($tokens[$i]->equalsAny(array('(', '['))) {
$blockType = $tokens->detectBlockType($tokens[$i]);
$i = $tokens->findBlockEnd($blockType['type'], $i);
}
if ($tokens[$i]->equals(',')) {
$canBeConverted = false;
break;
}
}
if (false === $canBeConverted) {
continue;
}
$tokens->overrideAt($echoIndex, array(T_PRINT, 'print'));
}
return $tokens->generateCode();
}
/**
* {@inheritdoc}
*/
public function getDescription()
{
return 'Converts echo language construct to print if possible.';
}
/**
* EchoToPrintFixer should run after ShortEchoTagFixer.
*
* {@inheritdoc}
*/
public function getPriority()
{
return -10;
}
}