<a href="http://www.pdf-search-engine.com/ossim-pdf.html">http://www.pdf-search-engine.com/ossim-pdf.html</a>
<a href="http://www.amazon.com/s/ref=nb_ss?url=search-alias%3Dstripbooks&field-keywords=OSSIM">http://www.amazon.com/s/ref=nb_ss?url=search-alias%3Dstripbooks&field-keywords=OSSIM</a>
![《PHP精粹：编写高效PHP代码》——1.8节更多神奇的方法[图]](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACwAAAAAAQABAAACAkQBADs=)