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<?php
/**
* PSR2_Sniffs_ControlStructures_ElseIfDeclarationSniff.
*
* PHP version 5
*
* @category PHP
* @package PHP_CodeSniffer
* @author Greg Sherwood <gsherwood@squiz.net>
* @copyright 2006-2014 Squiz Pty Ltd (ABN 77 084 670 600)
* @license https://github.com/squizlabs/PHP_CodeSniffer/blob/master/licence.txt BSD Licence
* @link http://pear.php.net/package/PHP_CodeSniffer
*/
/**
* PSR2_Sniffs_ControlStructures_ElseIfDeclarationSniff.
*
* Verifies that there are no else if statements. Elseif should be used instead.
*
* @category PHP
* @package PHP_CodeSniffer
* @author Greg Sherwood <gsherwood@squiz.net>
* @copyright 2006-2014 Squiz Pty Ltd (ABN 77 084 670 600)
* @license https://github.com/squizlabs/PHP_CodeSniffer/blob/master/licence.txt BSD Licence
* @version Release: @package_version@
* @link http://pear.php.net/package/PHP_CodeSniffer
*/
class PSR2_Sniffs_ControlStructures_ElseIfDeclarationSniff implements PHP_CodeSniffer_Sniff
{
/**
* Returns an array of tokens this test wants to listen for.
*
* @return array
*/
public function register()
{
return array(
T_ELSE,
T_ELSEIF,
);
}//end register()
/**
* Processes this test, when one of its tokens is encountered.
*
* @param PHP_CodeSniffer_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(PHP_CodeSniffer_File $phpcsFile, $stackPtr)
{
$tokens = $phpcsFile->getTokens();
if ($tokens[$stackPtr]['code'] === T_ELSEIF) {
$phpcsFile->recordMetric($stackPtr, 'Use of ELSE IF or ELSEIF', 'elseif');
return;
}
$next = $phpcsFile->findNext(T_WHITESPACE, ($stackPtr + 1), null, true);
if ($tokens[$next]['code'] === T_IF) {
$phpcsFile->recordMetric($stackPtr, 'Use of ELSE IF or ELSEIF', 'else if');
$error = 'Usage of ELSE IF is discouraged; use ELSEIF instead';
$fix = $phpcsFile->addFixableWarning($error, $stackPtr, 'NotAllowed');
if ($fix === true) {
$phpcsFile->fixer->beginChangeset();
$phpcsFile->fixer->replaceToken($stackPtr, 'elseif');
for ($i = ($stackPtr + 1); $i <= $next; $i++) {
$phpcsFile->fixer->replaceToken($i, '');
}
$phpcsFile->fixer->endChangeset();
}
}
}//end process()
}//end class
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