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<?php |
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/** |
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* \PHPCompatibility\Sniffs\PHP\ArgumentFunctionsReportCurrentValue. |
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* |
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* PHP version 7.0 |
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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\ArgumentFunctionsReportCurrentValue. |
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* |
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* Functions inspecting function arguments report the current value instead of the original since PHP 7.0. |
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* |
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* PHP version 7.0 |
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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 ArgumentFunctionsReportCurrentValueSniff extends Sniff |
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{ |
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/** |
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* A list of functions that, when called, have a different behaviour in PHP 7 when dealing with parameters of the function they're called in. |
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* @var array(string) |
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*/ |
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protected $changedFunctions = array( |
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'func_get_arg', |
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'func_get_args', |
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'debug_backtrace' |
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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 |
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* in 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->supportsAbove('7.0') === false) { |
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return; |
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} |
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$tokens = $phpcsFile->getTokens(); |
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$ignore = array( |
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T_DOUBLE_COLON, |
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T_OBJECT_OPERATOR, |
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T_FUNCTION, |
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T_CLASS, |
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T_CONST, |
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T_USE, |
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T_NS_SEPARATOR, |
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); |
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$prevToken = $phpcsFile->findPrevious(T_WHITESPACE, ($stackPtr - 1), null, true); |
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if (in_array($tokens[$prevToken]['code'], $ignore) === true) { |
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// Not a call to a PHP function. |
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return; |
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} |
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$function = $tokens[$stackPtr]['content']; |
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$functionLc = strtolower($function); |
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if (in_array($functionLc, $this->changedFunctions) === false) { |
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return; |
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} |
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if (isset($tokens[$stackPtr]['conditions'])) { |
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foreach ($tokens[$stackPtr]['conditions'] as $condition => $notimportant) { |
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if ($tokens[$condition]['type'] == 'T_FUNCTION') { |
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$this->addMessage($phpcsFile, 'Functions inspecting arguments report the current parameter value Function since PHP 7.0. Verify if the value is changed somewhere.', $stackPtr, false); |
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} |
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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
