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ImportStatementSniff.php
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<?php /** * Verifies that import statements are defined correctly. * * @author Greg Sherwood <gsherwood@squiz.net> * @copyright 2006-2015 Squiz Pty Ltd (ABN 77 084 670 600) * @license https://github.com/squizlabs/PHP_CodeSniffer/blob/master/licence.txt BSD Licence */ namespace PHP_CodeSniffer\Standards\PSR12\Sniffs\Files; use PHP_CodeSniffer\Files\File; use PHP_CodeSniffer\Sniffs\Sniff; use PHP_CodeSniffer\Util\Tokens; class ImportStatementSniff implements Sniff { /** * Returns an array of tokens this test wants to listen for. * * @return array */ public function register() { return [T_USE]; }//end register() /** * Processes this test, when one of its tokens is encountered. * * @param \PHP_CodeSniffer\Files\File $phpcsFile The file being scanned. * @param int $stackPtr The position of the current token in the * stack passed in $tokens. * * @return void */ public function process(File $phpcsFile, $stackPtr) { $tokens = $phpcsFile->getTokens(); // Make sure this is not a closure USE group. $next = $phpcsFile->findNext(Tokens::$emptyTokens, ($stackPtr + 1), null, true); if ($tokens[$next]['code'] === T_OPEN_PARENTHESIS) { return; } if ($phpcsFile->hasCondition($stackPtr, Tokens::$ooScopeTokens) === true) { // This rule only applies to import statements. return; } if ($tokens[$next]['code'] === T_STRING && (strtolower($tokens[$next]['content']) === 'function' || strtolower($tokens[$next]['content']) === 'const') ) { $next = $phpcsFile->findNext(Tokens::$emptyTokens, ($next + 1), null, true); } if ($tokens[$next]['code'] !== T_NS_SEPARATOR) { return; } $error = 'Import statements must not begin with a leading backslash'; $fix = $phpcsFile->addFixableError($error, $next, 'LeadingSlash'); if ($fix === true) { $phpcsFile->fixer->replaceToken($next, ''); } }//end process() }//end class