77 lines
2.1 KiB
PHP
77 lines
2.1 KiB
PHP
<?php
|
|
/**
|
|
* PHPCompatibility, an external standard for PHP_CodeSniffer.
|
|
*
|
|
* @package PHPCompatibility
|
|
* @copyright 2012-2019 PHPCompatibility Contributors
|
|
* @license https://opensource.org/licenses/LGPL-3.0 LGPL3
|
|
* @link https://github.com/PHPCompatibility/PHPCompatibility
|
|
*/
|
|
|
|
namespace PHPCompatibility\Sniffs\Keywords;
|
|
|
|
use PHPCompatibility\Sniff;
|
|
use PHP_CodeSniffer_File as File;
|
|
|
|
/**
|
|
* Detect usage of `self`, `parent` and `static` and verify they are lowercase.
|
|
*
|
|
* Prior to PHP 5.5, cases existed where the `self`, `parent`, and `static` keywords
|
|
* were treated in a case sensitive fashion.
|
|
*
|
|
* PHP version 5.5
|
|
*
|
|
* @link https://www.php.net/manual/en/migration55.incompatible.php#migration55.incompatible.self-parent-static
|
|
*
|
|
* @since 7.1.4
|
|
*/
|
|
class CaseSensitiveKeywordsSniff extends Sniff
|
|
{
|
|
|
|
/**
|
|
* Returns an array of tokens this test wants to listen for.
|
|
*
|
|
* @since 7.1.4
|
|
*
|
|
* @return array
|
|
*/
|
|
public function register()
|
|
{
|
|
return array(
|
|
\T_SELF,
|
|
\T_STATIC,
|
|
\T_PARENT,
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Processes this test, when one of its tokens is encountered.
|
|
*
|
|
* @since 7.1.4
|
|
*
|
|
* @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(File $phpcsFile, $stackPtr)
|
|
{
|
|
if ($this->supportsBelow('5.4') === false) {
|
|
return;
|
|
}
|
|
|
|
$tokens = $phpcsFile->getTokens();
|
|
$tokenContentLC = strtolower($tokens[$stackPtr]['content']);
|
|
|
|
if ($tokenContentLC !== $tokens[$stackPtr]['content']) {
|
|
$phpcsFile->addError(
|
|
'The keyword \'%s\' was treated in a case-sensitive fashion in certain cases in PHP 5.4 or earlier. Use the lowercase version for consistent support.',
|
|
$stackPtr,
|
|
'NonLowercaseFound',
|
|
array($tokenContentLC)
|
|
);
|
|
}
|
|
}
|
|
}
|