ZF-12338: Zend_Filter_StripTags should return null if applied to a null value

Issue Type: Bug Created: 2012-07-17T13:51:03.000+0000 Last Updated: 2012-07-17T13:51:03.000+0000 Status: Open Fix version(s): Reporter: Iurii Drozdov (ydrozdov) Assignee: Thomas Weidner (thomas) Tags: - Zend_Filter

  • Zend_Filter_StripTags

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In Zend_Filter_StripTags, if the filter is applied to a null value empty string is returned.

<pre class="highlight">
     * Defined by Zend_Filter_Interface
     * @todo improve docblock descriptions
     * @param  string $value
     * @return string
    public function filter($value)
        if (is_null($value)) {
            return $value;
        $value = (string)$value;


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