74 lines
2.0 KiB
PHP
74 lines
2.0 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\Operators;
|
||
|
|
||
|
use PHPCompatibility\Sniff;
|
||
|
use PHP_CodeSniffer_File as File;
|
||
|
|
||
|
/**
|
||
|
* Detect usage of the short ternary (elvis) operator as introduced in PHP 5.3.
|
||
|
*
|
||
|
* Performs checks on ternary operators, specifically that the middle expression
|
||
|
* is not omitted for versions that don't support this.
|
||
|
*
|
||
|
* PHP version 5.3
|
||
|
*
|
||
|
* @link https://www.php.net/manual/en/migration53.new-features.php
|
||
|
* @link https://www.php.net/manual/en/language.operators.comparison.php#language.operators.comparison.ternary
|
||
|
*
|
||
|
* @since 7.0.0
|
||
|
* @since 7.0.8 This sniff now throws an error instead of a warning.
|
||
|
* @since 9.0.0 Renamed from `TernaryOperatorsSniff` to `NewShortTernarySniff`.
|
||
|
*/
|
||
|
class NewShortTernarySniff extends Sniff
|
||
|
{
|
||
|
|
||
|
/**
|
||
|
* Returns an array of tokens this test wants to listen for.
|
||
|
*
|
||
|
* @since 7.0.0
|
||
|
*
|
||
|
* @return array
|
||
|
*/
|
||
|
public function register()
|
||
|
{
|
||
|
return array(\T_INLINE_THEN);
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Processes this test, when one of its tokens is encountered.
|
||
|
*
|
||
|
* @since 7.0.0
|
||
|
*
|
||
|
* @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('5.2') === false) {
|
||
|
return;
|
||
|
}
|
||
|
|
||
|
if ($this->isShortTernary($phpcsFile, $stackPtr) === false) {
|
||
|
return;
|
||
|
}
|
||
|
|
||
|
$phpcsFile->addError(
|
||
|
'Middle may not be omitted from ternary operators in PHP < 5.3',
|
||
|
$stackPtr,
|
||
|
'MiddleMissing'
|
||
|
);
|
||
|
}
|
||
|
}
|