85 lines
2.3 KiB
PHP
85 lines
2.3 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\ControlStructures;
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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 unpacking nested arrays with `list()` in a `foreach()` as available since PHP 5.5.
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*
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* PHP version 5.5
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*
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* @link https://www.php.net/manual/en/migration55.new-features.php#migration55.new-features.foreach-list
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* @link https://wiki.php.net/rfc/foreachlist
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* @link https://www.php.net/manual/en/control-structures.foreach.php#control-structures.foreach.list
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*
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* @since 9.0.0
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*/
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class NewListInForeachSniff 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 9.0.0
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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_FOREACH);
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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 9.0.0
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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('5.4') === false) {
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return;
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}
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$tokens = $phpcsFile->getTokens();
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if (isset($tokens[$stackPtr]['parenthesis_opener'], $tokens[$stackPtr]['parenthesis_closer']) === false) {
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return;
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}
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$opener = $tokens[$stackPtr]['parenthesis_opener'];
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$closer = $tokens[$stackPtr]['parenthesis_closer'];
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$asToken = $phpcsFile->findNext(\T_AS, ($opener + 1), $closer);
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if ($asToken === false) {
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return;
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}
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$hasList = $phpcsFile->findNext(array(\T_LIST, \T_OPEN_SHORT_ARRAY), ($asToken + 1), $closer);
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if ($hasList === false) {
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return;
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}
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$phpcsFile->addError(
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'Unpacking nested arrays with list() in a foreach is not supported in PHP 5.4 or earlier.',
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$hasList,
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'Found'
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);
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}
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}
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