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robrichards
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xmlseclibs
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Utils
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File: XPath.php
<?php namespace RobRichards\XMLSecLibs\Utils; class XPath { const ALPHANUMERIC = '\w\d'; const NUMERIC = '\d'; const LETTERS = '\w'; const EXTENDED_ALPHANUMERIC = '\w\d\s\-_:\.'; const SINGLE_QUOTE = '\''; const DOUBLE_QUOTE = '"'; const ALL_QUOTES = '[\'"]'; /** * Filter an attribute value for save inclusion in an XPath query. * * @param string $value The value to filter. * @param string $quotes The quotes used to delimit the value in the XPath query. * * @return string The filtered attribute value. */ public static function filterAttrValue($value, $quotes = self::ALL_QUOTES) { return preg_replace('#'.$quotes.'#', '', $value); } /** * Filter an attribute name for save inclusion in an XPath query. * * @param string $name The attribute name to filter. * @param mixed $allow The set of characters to allow. Can be one of the constants provided by this class, or a * custom regex excluding the '#' character (used as delimiter). * * @return string The filtered attribute name. */ public static function filterAttrName($name, $allow = self::EXTENDED_ALPHANUMERIC) { return preg_replace('#[^'.$allow.']#', '', $name); } }