zf判断请求是否来自XMLHttpRequest对象的方法

2. /*
3. * * Is the request a Javascript XMLHttpRequest?
4. * * Should work with Prototype/Script.aculo.us, possibly others.
5. * * @return boolean
6. */
7. public function isXmlHttpRequest() {
8. return (
9. $this->getHeader('X_REQUESTED_WITH') == 'XMLHttpRequest');
10. }

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