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DeprecatedFunctionsSniff.php
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<?php /** * Discourages the use of deprecated PHP functions. * * @author Sebastian Bergmann <sb@sebastian-bergmann.de> * @author Greg Sherwood <gsherwood@squiz.net> * @copyright 2006-2015 Squiz Pty Ltd (ABN 77 084 670 600) * @license https://github.com/PHPCSStandards/PHP_CodeSniffer/blob/master/licence.txt BSD Licence */ namespace PHP_CodeSniffer\Standards\Generic\Sniffs\PHP; use ReflectionFunction; class DeprecatedFunctionsSniff extends ForbiddenFunctionsSniff { /** * A list of forbidden functions with their alternatives. * * The value is NULL if no alternative exists. IE, the * function should just not be used. * * @var array<string, string|null> */ public $forbiddenFunctions = []; /** * Constructor. * * Uses the Reflection API to get a list of deprecated functions. */ public function __construct() { $functions = get_defined_functions(); foreach ($functions['internal'] as $functionName) { $function = new ReflectionFunction($functionName); if ($function->isDeprecated() === true) { $this->forbiddenFunctions[$functionName] = null; } } }//end __construct() /** * Generates the error or warning for this sniff. * * @param \PHP_CodeSniffer\Files\File $phpcsFile The file being scanned. * @param int $stackPtr The position of the forbidden function * in the token array. * @param string $function The name of the forbidden function. * @param string $pattern The pattern used for the match. * * @return void */ protected function addError($phpcsFile, $stackPtr, $function, $pattern=null) { $data = [$function]; $error = 'Function %s() has been deprecated'; $type = 'Deprecated'; if ($this->error === true) { $phpcsFile->addError($error, $stackPtr, $type, $data); } else { $phpcsFile->addWarning($error, $stackPtr, $type, $data); } }//end addError() }//end class
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