114 lines
3.3 KiB
PHP
114 lines
3.3 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\ParameterValues;
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use PHPCompatibility\AbstractFunctionCallParameterSniff;
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use PHP_CodeSniffer_File as File;
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/**
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* Since PHP 5.3.4, `strip_tags()` ignores self-closing XHTML tags in allowable_tags
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*
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* PHP version 5.3.4
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*
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* @link https://www.php.net/manual/en/function.strip-tags.php#refsect1-function.strip-tags-changelog
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*
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* @since 9.3.0
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*/
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class ForbiddenStripTagsSelfClosingXHTMLSniff extends AbstractFunctionCallParameterSniff
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{
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/**
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* Functions to check for.
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*
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* @since 9.3.0
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*
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* @var array
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*/
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protected $targetFunctions = array(
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'strip_tags' => true,
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);
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/**
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* Text string tokens to examine.
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*
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* @since 9.3.0
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*
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* @var array
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*/
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private $textStringTokens = array(
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\T_CONSTANT_ENCAPSED_STRING => true,
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\T_DOUBLE_QUOTED_STRING => true,
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\T_INLINE_HTML => true,
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\T_HEREDOC => true,
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\T_NOWDOC => true,
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);
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/**
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* Do a version check to determine if this sniff needs to run at all.
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*
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* @since 9.3.0
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*
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* @return bool
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*/
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protected function bowOutEarly()
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{
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return ($this->supportsAbove('5.4') === false);
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}
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/**
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* Process the parameters of a matched function.
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*
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* @since 9.3.0
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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 stack.
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* @param string $functionName The token content (function name) which was matched.
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* @param array $parameters Array with information about the parameters.
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*
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* @return int|void Integer stack pointer to skip forward or void to continue
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* normal file processing.
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*/
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public function processParameters(File $phpcsFile, $stackPtr, $functionName, $parameters)
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{
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if (isset($parameters[2]) === false) {
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return;
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}
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$tokens = $phpcsFile->getTokens();
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$targetParam = $parameters[2];
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for ($i = $targetParam['start']; $i <= $targetParam['end']; $i++) {
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if ($tokens[$i]['code'] === \T_STRING
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|| $tokens[$i]['code'] === \T_VARIABLE
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) {
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// Variable, constant, function call. Ignore as undetermined.
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return;
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}
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if (isset($this->textStringTokens[$tokens[$i]['code']]) === true
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&& strpos($tokens[$i]['content'], '/>') !== false
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) {
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$phpcsFile->addError(
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'Self-closing XHTML tags are ignored. Only non-self-closing tags should be used in the strip_tags() $allowable_tags parameter since PHP 5.3.4. Found: %s',
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$i,
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'Found',
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array($targetParam['raw'])
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);
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// Only throw one error per function call.
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return;
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}
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}
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}
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}
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