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<?php |
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/** |
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* \PHPCompatibility\Sniffs\Lists\ShortListSniff. |
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* |
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* PHP version 7.1 |
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* |
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* @category PHP |
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* @package PHPCompatibility |
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* @author Juliette Reinders Folmer <[email protected]> |
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*/ |
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namespace PHPCompatibility\Sniffs\Lists; |
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use PHPCompatibility\Sniff; |
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/** |
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* \PHPCompatibility\Sniffs\Lists\ShortListSniff. |
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* |
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* "The shorthand array syntax ([]) may now be used to destructure arrays for |
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* assignments (including within foreach), as an alternative to the existing |
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* list() syntax, which is still supported." |
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* |
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* PHP version 7.1 |
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* |
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* @category PHP |
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* @package PHPCompatibility |
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* @author Juliette Reinders Folmer <[email protected]> |
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*/ |
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class ShortListSniff 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_OPEN_SHORT_ARRAY); |
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} |
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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 the |
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* 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('7.0') === false) { |
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return; |
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} |
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if ($this->isShortList($phpcsFile, $stackPtr) === false) { |
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return; |
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} |
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$tokens = $phpcsFile->getTokens(); |
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$closer = $tokens[$stackPtr]['bracket_closer']; |
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$hasVariable = $phpcsFile->findNext(T_VARIABLE, ($stackPtr + 1), $closer); |
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if ($hasVariable === false) { |
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// List syntax is only valid if there are variables in it. |
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return; |
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} |
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$phpcsFile->addError( |
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'The shorthand list syntax "[]" to destructure arrays is not available in PHP 7.0 or earlier.', |
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$stackPtr, |
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'Found' |
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); |
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return ($closer + 1); |
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} |
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} |
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wimg /
PHPCompatibility
