80 lines
2.2 KiB
PHP
80 lines
2.2 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\FunctionDeclarations;
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use PHPCompatibility\Sniff;
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use PHPCompatibility\PHPCSHelper;
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use PHP_CodeSniffer_File as File;
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/**
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* Detect the use of superglobals as parameters for functions, support for which was removed in PHP 5.4.
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*
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* {@internal List of superglobals is maintained in the parent class.}
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*
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* PHP version 5.4
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*
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* @link https://www.php.net/manual/en/migration54.incompatible.php
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*
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* @since 7.0.0
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*/
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class ForbiddenParameterShadowSuperGlobalsSniff extends Sniff
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{
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/**
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* Register the tokens to listen for.
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*
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* @since 7.0.0
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* @since 7.1.3 Allows for closures.
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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(
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\T_FUNCTION,
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\T_CLOSURE,
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);
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}
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/**
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* Processes the test.
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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.
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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->supportsAbove('5.4') === false) {
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return;
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}
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// Get all parameters from function signature.
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$parameters = PHPCSHelper::getMethodParameters($phpcsFile, $stackPtr);
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if (empty($parameters) || \is_array($parameters) === false) {
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return;
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}
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foreach ($parameters as $param) {
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if (isset($this->superglobals[$param['name']]) === true) {
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$error = 'Parameter shadowing super global (%s) causes fatal error since PHP 5.4';
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$errorCode = $this->stringToErrorCode(substr($param['name'], 1)) . 'Found';
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$data = array($param['name']);
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$phpcsFile->addError($error, $param['token'], $errorCode, $data);
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}
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}
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}
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}
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