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ReturnFunctionValueSniff.php
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<?php /** * Warns when function values are returned directly. * * @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\MySource\Sniffs\PHP; use PHP_CodeSniffer\Sniffs\Sniff; use PHP_CodeSniffer\Files\File; class ReturnFunctionValueSniff implements Sniff { /** * Returns an array of tokens this test wants to listen for. * * @return array */ public function register() { return [T_RETURN]; }//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(); $functionName = $phpcsFile->findNext(T_STRING, ($stackPtr + 1), null, false, null, true); while ($functionName !== false) { // Check if this is really a function. $bracket = $phpcsFile->findNext(T_WHITESPACE, ($functionName + 1), null, true); if ($tokens[$bracket]['code'] !== T_OPEN_PARENTHESIS) { // Not a function call. $functionName = $phpcsFile->findNext(T_STRING, ($functionName + 1), null, false, null, true); continue; } $error = 'The result of a function call should be assigned to a variable before being returned'; $phpcsFile->addWarning($error, $stackPtr, 'NotAssigned'); break; } }//end process() }//end class