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OneInterfacePerFileSniff.php
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<?php /** * Checks that only one interface is declared per file. * * @author Andy Grunwald <andygrunwald@gmail.com> * @copyright 2010-2014 Andy Grunwald * @license https://github.com/PHPCSStandards/PHP_CodeSniffer/blob/master/licence.txt BSD Licence */ namespace PHP_CodeSniffer\Standards\Generic\Sniffs\Files; use PHP_CodeSniffer\Files\File; use PHP_CodeSniffer\Sniffs\Sniff; class OneInterfacePerFileSniff implements Sniff { /** * Returns an array of tokens this test wants to listen for. * * @return array<int|string> */ public function register() { return [T_INTERFACE]; }//end register() /** * Processes this sniff, 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(); $start = ($stackPtr + 1); if (isset($tokens[$stackPtr]['scope_closer']) === true) { $start = ($tokens[$stackPtr]['scope_closer'] + 1); } $nextInterface = $phpcsFile->findNext($this->register(), $start); if ($nextInterface !== false) { $error = 'Only one interface is allowed in a file'; $phpcsFile->addError($error, $nextInterface, 'MultipleFound'); } }//end process() }//end class
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