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<?php |
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/** |
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* \PHPCompatibility\Sniffs\PHP\NewFunctionArrayDereferencingSniff. |
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* |
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* PHP version 5.4 |
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* |
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* @category PHP |
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* @package PHPCompatibility |
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* @author Wim Godden <[email protected]> |
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*/ |
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namespace PHPCompatibility\Sniffs\PHP; |
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use PHPCompatibility\Sniff; |
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/** |
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* \PHPCompatibility\Sniffs\PHP\NewFunctionArrayDereferencingSniff. |
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* |
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* PHP version 5.4 |
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* |
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* @category PHP |
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* @package PHPCompatibility |
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* @author Wim Godden <[email protected]> |
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*/ |
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class NewFunctionArrayDereferencingSniff extends Sniff |
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{ |
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/** |
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* Returns an array of tokens this test wants to listen for. |
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* |
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* @return array |
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*/ |
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public function register() |
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{ |
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return array(T_STRING); |
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}//end register() |
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/** |
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* Processes this test, when one of its tokens is encountered. |
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* |
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* @param \PHP_CodeSniffer_File $phpcsFile The file being scanned. |
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* @param int $stackPtr The position of the current token in |
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* the stack passed in $tokens. |
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* |
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* @return void |
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*/ |
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public function process(\PHP_CodeSniffer_File $phpcsFile, $stackPtr) |
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{ |
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if ($this->supportsBelow('5.3') === false) { |
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return; |
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} |
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$tokens = $phpcsFile->getTokens(); |
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// Next non-empty token should be the open parenthesis. |
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$openParenthesis = $phpcsFile->findNext(\PHP_CodeSniffer_Tokens::$emptyTokens, ($stackPtr + 1), null, true, null, true); |
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if ($openParenthesis === false || $tokens[$openParenthesis]['code'] !== T_OPEN_PARENTHESIS) { |
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return; |
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} |
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// Don't throw errors during live coding. |
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if (isset($tokens[$openParenthesis]['parenthesis_closer']) === false) { |
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return; |
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} |
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// Is this T_STRING really a function or method call ? |
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$prevToken = $phpcsFile->findPrevious(\PHP_CodeSniffer_Tokens::$emptyTokens, ($stackPtr - 1), null, true); |
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if ($prevToken !== false && in_array($tokens[$prevToken]['code'], array(T_DOUBLE_COLON, T_OBJECT_OPERATOR), true) === false) { |
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$ignore = array( |
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T_FUNCTION, |
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T_CONST, |
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T_USE, |
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T_NEW, |
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T_CLASS, |
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T_INTERFACE, |
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); |
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if (in_array($tokens[$prevToken]['code'], $ignore, true) === true) { |
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// Not a call to a PHP function or method. |
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return; |
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} |
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} |
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$closeParenthesis = $tokens[$openParenthesis]['parenthesis_closer']; |
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$nextNonEmpty = $phpcsFile->findNext(\PHP_CodeSniffer_Tokens::$emptyTokens, ($closeParenthesis + 1), null, true, null, true); |
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if ($nextNonEmpty !== false && $tokens[$nextNonEmpty]['type'] === 'T_OPEN_SQUARE_BRACKET') { |
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$phpcsFile->addError( |
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'Function array dereferencing is not present in PHP version 5.3 or earlier', |
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$nextNonEmpty, |
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'Found' |
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); |
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} |
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}//end process() |
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}//end class |
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wimg /
PHPCompatibility
