232 lines
6.2 KiB
PHP
232 lines
6.2 KiB
PHP
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<?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\FunctionNameRestrictions;
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use PHPCompatibility\AbstractNewFeatureSniff;
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use PHP_CodeSniffer_File as File;
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/**
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* Warns for non-magic behaviour of magic methods prior to becoming magic.
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*
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* PHP version 5.0+
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*
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* @link https://www.php.net/manual/en/language.oop5.magic.php
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* @link https://wiki.php.net/rfc/closures#additional_goodyinvoke
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* @link https://wiki.php.net/rfc/debug-info
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*
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* @since 7.0.4
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* @since 7.1.0 Now extends the `AbstractNewFeatureSniff` instead of the base `Sniff` class.
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*/
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class NewMagicMethodsSniff extends AbstractNewFeatureSniff
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{
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/**
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* A list of new magic methods, not considered magic in older versions.
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*
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* Method names in the array should be all *lowercase*.
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* The array lists : version number with false (not magic) or true (magic).
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* If's sufficient to list the first version where the method became magic.
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*
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* @since 7.0.4
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*
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* @var array(string => array(string => bool|string))
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*/
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protected $newMagicMethods = array(
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'__construct' => array(
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'4.4' => false,
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'5.0' => true,
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),
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'__destruct' => array(
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'4.4' => false,
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'5.0' => true,
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),
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'__get' => array(
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'4.4' => false,
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'5.0' => true,
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),
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'__isset' => array(
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'5.0' => false,
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'5.1' => true,
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),
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'__unset' => array(
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'5.0' => false,
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'5.1' => true,
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),
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'__set_state' => array(
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'5.0' => false,
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'5.1' => true,
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),
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'__callstatic' => array(
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'5.2' => false,
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'5.3' => true,
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),
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'__invoke' => array(
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'5.2' => false,
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'5.3' => true,
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),
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'__debuginfo' => array(
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'5.5' => false,
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'5.6' => true,
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),
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// Special case - only became properly magical in 5.2.0,
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// before that it was only called for echo and print.
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'__tostring' => array(
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'5.1' => false,
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'5.2' => true,
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'message' => 'The method %s() was not truly magical in PHP version %s and earlier. The associated magic functionality will only be called when directly combined with echo or print.',
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),
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'__serialize' => array(
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'7.3' => false,
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'7.4' => true,
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),
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'__unserialize' => array(
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'7.3' => false,
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'7.4' => true,
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),
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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 7.0.4
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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_FUNCTION);
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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 7.0.4
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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, $stackPtr)
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{
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$functionName = $phpcsFile->getDeclarationName($stackPtr);
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$functionNameLc = strtolower($functionName);
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if (isset($this->newMagicMethods[$functionNameLc]) === false) {
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return;
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}
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if ($this->inClassScope($phpcsFile, $stackPtr, false) === false) {
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return;
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}
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$itemInfo = array(
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'name' => $functionName,
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'nameLc' => $functionNameLc,
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);
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$this->handleFeature($phpcsFile, $stackPtr, $itemInfo);
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}
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/**
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* Get the relevant sub-array for a specific item from a multi-dimensional array.
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*
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* @since 7.1.0
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*
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* @param array $itemInfo Base information about the item.
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*
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* @return array Version and other information about the item.
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*/
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public function getItemArray(array $itemInfo)
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{
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return $this->newMagicMethods[$itemInfo['nameLc']];
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}
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/**
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* Get an array of the non-PHP-version array keys used in a sub-array.
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*
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* @since 7.1.0
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*
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* @return array
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*/
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protected function getNonVersionArrayKeys()
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{
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return array('message');
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}
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/**
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* Retrieve the relevant detail (version) information for use in an error message.
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*
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* @since 7.1.0
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*
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* @param array $itemArray Version and other information about the item.
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* @param array $itemInfo Base information about the item.
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*
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* @return array
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*/
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public function getErrorInfo(array $itemArray, array $itemInfo)
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{
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$errorInfo = parent::getErrorInfo($itemArray, $itemInfo);
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$errorInfo['error'] = false; // Warning, not error.
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$errorInfo['message'] = '';
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if (empty($itemArray['message']) === false) {
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$errorInfo['message'] = $itemArray['message'];
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}
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return $errorInfo;
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}
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/**
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* Get the error message template for this sniff.
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*
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* @since 7.1.0
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*
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* @return string
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*/
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protected function getErrorMsgTemplate()
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{
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return 'The method %s() was not magical in PHP version %s and earlier. The associated magic functionality will not be invoked.';
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}
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/**
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* Allow for concrete child classes to filter the error message before it's passed to PHPCS.
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*
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* @since 7.1.0
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*
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* @param string $error The error message which was created.
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* @param array $itemInfo Base information about the item this error message applies to.
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* @param array $errorInfo Detail information about an item this error message applies to.
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*
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* @return string
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*/
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protected function filterErrorMsg($error, array $itemInfo, array $errorInfo)
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{
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if ($errorInfo['message'] !== '') {
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$error = $errorInfo['message'];
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}
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return $error;
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}
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}
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