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PlusStringConcatSniff.php
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PlusStringConcatSniff.php
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<?php
/**
* Checks that plus is not used for string concat
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
* @file
*/
namespace MediaWiki\Sniffs\Usage;
use PHP_CodeSniffer\Files\File;
use PHP_CodeSniffer\Sniffs\Sniff;
use PHP_CodeSniffer\Util\Tokens;
class PlusStringConcatSniff implements Sniff {
/**
* Returns an array of tokens this test wants to listen for.
*
* @return array
*/
public function register(): array {
return [ T_PLUS, T_PLUS_EQUAL ];
}
/**
* Processes this sniff, when one of its tokens is encountered.
*
* @param 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( File $phpcsFile, $stackPtr ) {
$prev = $phpcsFile->findPrevious( Tokens::$emptyTokens, $stackPtr - 1, null, true );
$next = $phpcsFile->findNext( Tokens::$emptyTokens, $stackPtr + 1, null, true );
if ( $prev === false || $next === false ) {
// Live coding
return;
}
$tokens = $phpcsFile->getTokens();
// The token + should not have a string before or after it
if ( isset( Tokens::$stringTokens[$tokens[$prev]['code']] )
|| isset( Tokens::$stringTokens[$tokens[$next]['code']] )
) {
$phpcsFile->addError(
'Use "%s" for string concat',
$stackPtr,
'Found',
[ $tokens[$stackPtr]['code'] === T_PLUS ? '.' : '.=' ]
);
}
}
}

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Sat, May 16, 21:40 (1 d, 6 h)
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ba/8d/28c0f0cb09d260c1f062c58ae185
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PlusStringConcatSniff.php (2 KB)

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