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coding-standard
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SlevomatCodingStandard
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RequireNowdocSniff.php
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<?php declare(strict_types = 1); namespace SlevomatCodingStandard\Sniffs\PHP; use PHP_CodeSniffer\Files\File; use PHP_CodeSniffer\Sniffs\Sniff; use SlevomatCodingStandard\Helpers\FixerHelper; use SlevomatCodingStandard\Helpers\TokenHelper; use function preg_match; use function preg_replace; use const T_END_HEREDOC; use const T_HEREDOC; use const T_START_HEREDOC; class RequireNowdocSniff implements Sniff { public const CODE_REQUIRED_NOWDOC = 'RequiredNowdoc'; /** * @return array<int, (int|string)> */ public function register(): array { return [ T_START_HEREDOC, ]; } /** * @phpcsSuppress SlevomatCodingStandard.TypeHints.ParameterTypeHint.MissingNativeTypeHint * @param int $heredocStartPointer */ public function process(File $phpcsFile, $heredocStartPointer): void { $tokens = $phpcsFile->getTokens(); $heredocEndPointer = TokenHelper::findNext($phpcsFile, T_END_HEREDOC, $heredocStartPointer + 1); $heredocContentPointers = []; for ($i = $heredocStartPointer + 1; $i < $heredocEndPointer; $i++) { if ($tokens[$i]['code'] === T_HEREDOC) { if (preg_match('~^([^\\\\$]|\\\\[^nrtvef0-7xu])*$~', $tokens[$i]['content']) === 0) { return; } $heredocContentPointers[] = $i; } } $fix = $phpcsFile->addFixableError('Use nowdoc syntax instead of heredoc.', $heredocStartPointer, self::CODE_REQUIRED_NOWDOC); if (!$fix) { return; } $nowdocStart = preg_replace('~^<<<"?(\w+)"?~', '<<<\'$1\'', $tokens[$heredocStartPointer]['content']); $phpcsFile->fixer->beginChangeset(); FixerHelper::replace($phpcsFile, $heredocStartPointer, $nowdocStart); foreach ($heredocContentPointers as $heredocContentPointer) { $heredocContent = $tokens[$heredocContentPointer]['content']; $nowdocContent = preg_replace( '~\\\\(\\\\[nrtvef]|\$|\\\\|\\\\[0-7]{1,3}|\\\\x[0-9A-Fa-f]{1,2}|\\\\u\{[0-9A-Fa-f]+\})~', '$1', $heredocContent, ); FixerHelper::replace($phpcsFile, $heredocContentPointer, $nowdocContent); } $phpcsFile->fixer->endChangeset(); } }
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