<?php
/**
* Squiz_Sniffs_Strings_EchoedStringsSniff.
*
* PHP version 5
*
* @category PHP
* @package PHP_CodeSniffer
* @author Greg Sherwood <gsherwood@squiz.net>
* @author Marc McIntyre <mmcintyre@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
*/
/**
* Squiz_Sniffs_Strings_EchoedStringsSniff.
*
* Makes sure that any strings that are "echoed" are not enclosed in brackets
* like a function call.
*
* @category PHP
* @package PHP_CodeSniffer
* @author Greg Sherwood <gsherwood@squiz.net>
* @author Marc McIntyre <mmcintyre@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: 1.5.5
* @link http://pear.php.net/package/PHP_CodeSniffer
*/
class Squiz_Sniffs_Strings_EchoedStringsSniff implements PHP_CodeSniffer_Sniff
{
/**
* Returns an array of tokens this test wants to listen for.
*
* @return array
*/
public function register()
{
return array(T_ECHO);
}//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();
$firstContent = $phpcsFile->findNext(array(T_WHITESPACE), ($stackPtr + 1), null, true);
// If the first non-whitespace token is not an opening parenthesis, then we are not concerned.
if ($tokens[$firstContent]['code'] !== T_OPEN_PARENTHESIS) {
return;
}
$endOfStatement = $phpcsFile->findNext(array(T_SEMICOLON), $stackPtr, null, false);
// If the token before the semi-colon is not a closing parenthesis, then we are not concerned.
if ($tokens[($endOfStatement - 1)]['code'] !== T_CLOSE_PARENTHESIS) {
return;
}
if (($phpcsFile->findNext(PHP_CodeSniffer_Tokens::$operators, $stackPtr, $endOfStatement, false)) === false) {
// There are no arithmetic operators in this.
$error = 'Echoed strings should not be bracketed';
$phpcsFile->addError($error, $stackPtr, 'HasBracket');
}
}//end process()
}//end class
?>