74 lines
2.0 KiB
PHP
74 lines
2.0 KiB
PHP
<?php
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/**
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* PHPCompatibility, an external standard for PHP_CodeSniffer.
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*
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* @package PHPCompatibility
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* @copyright 2012-2019 PHPCompatibility Contributors
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* @license https://opensource.org/licenses/LGPL-3.0 LGPL3
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* @link https://github.com/PHPCompatibility/PHPCompatibility
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*/
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namespace PHPCompatibility\Sniffs\Operators;
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use PHPCompatibility\Sniff;
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use PHP_CodeSniffer_File as File;
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/**
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* Detect usage of the short ternary (elvis) operator as introduced in PHP 5.3.
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*
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* Performs checks on ternary operators, specifically that the middle expression
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* is not omitted for versions that don't support this.
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*
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* PHP version 5.3
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*
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* @link https://www.php.net/manual/en/migration53.new-features.php
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* @link https://www.php.net/manual/en/language.operators.comparison.php#language.operators.comparison.ternary
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*
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* @since 7.0.0
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* @since 7.0.8 This sniff now throws an error instead of a warning.
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* @since 9.0.0 Renamed from `TernaryOperatorsSniff` to `NewShortTernarySniff`.
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*/
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class NewShortTernarySniff extends Sniff
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{
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/**
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* Returns an array of tokens this test wants to listen for.
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*
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* @since 7.0.0
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*
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* @return array
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*/
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public function register()
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{
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return array(\T_INLINE_THEN);
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}
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/**
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* Processes this test, when one of its tokens is encountered.
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*
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* @since 7.0.0
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*
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* @param \PHP_CodeSniffer_File $phpcsFile The file being scanned.
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* @param int $stackPtr The position of the current token in the
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* stack passed in $tokens.
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*
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* @return void
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*/
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public function process(File $phpcsFile, $stackPtr)
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{
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if ($this->supportsBelow('5.2') === false) {
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return;
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}
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if ($this->isShortTernary($phpcsFile, $stackPtr) === false) {
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return;
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}
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$phpcsFile->addError(
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'Middle may not be omitted from ternary operators in PHP < 5.3',
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$stackPtr,
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'MiddleMissing'
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);
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}
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}
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