我调用commission junction API 并将其作为响应接收。
$xml_response = simplexml_load_file($xml_response);
exit($xml_response);
如果我做
$xml = new SimpleXMLElement($xml_response);
我收到应用程序错误。（不知道如何找到这是什么错误，我可以在哪里设置错误代码以显示这部分？）
Warning: simplexml_load_file(): I/O warning : failed to load external entity " 106032782478435B & H Photo VideoComputers & Solutions > Laptops > MacBookshttp://www.jdoqocy.com/click-4107027-10603278?url=http://www.bhphotovideo.com/c/product/871865-REG/Apple_MD101LL_A_13_3_MacBook_Pro_Notebook.html/kw/APMBPMD101LL&cjsku=APMBPMD101LLcjo:6USDApple 13.3" MacBook Pro Notebook Computer, Intel Core i5 Dual-Core 2.5 GHz CPU, Internal 4GB DDR3 RAM, Features 500GB 5400 RPM Hard Drive, Intel HD 4000 Graphics, LED-Backlit 13.3" (33.8 cm) Display, Native 1280 x 800 Resolution, Wireless 802.11n WiFi & Bluetooth 4.0, Dual USB 3.0 Ports & Thunderbolt Port, Ships with Mac OS X Lion, Free OS X in /var/www/html/site.net/beta/library/API/CommissionJunction.php on line 119
** 更新 **
完整的 XML 响应：
string(9582) "<?xml version="1.0" encoding="UTF-8"?>
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This 13 MacBook Pro (MD101LL/A) has everything youve ever looked for in an Apple computer, plus a whole lot more. Extremely fast processor upgrades, integrated HD graphics, super fast hard drive storage, USB 3.0 connections, and more. This generation of the MacBook Pro is ready for high-level performance. Top-of-the-line processors.The 13-inch model also speeds things up with either the 2.5GHz Intel Core i5 or the 2.9GHz Intel Core i7 the fastest mobile dual-core processor available. With Turbo Boost speeds up to 3.6GHz, these processors bring more power to everything you do. Learn more about processor performanceThe very latest graphics.The new integrated Intel HD Graphics 4000 processor boosts performance by up to 60 percent. That extra power gives you a smoother, more fluid experience than before. Its still highly efficient, too, so you get long battery life when youre out and about.The fastest, most versatile I/O in a notebook.Imagine accessing multiple streams of uncompressed HD video from your MacBook Pro at speeds that let you edit an HD feature film in real time. Thunderbolt technology allows you to connect the high-performance peripherals that make it possible. Ultrafast and ultra flexible, the Thunderbolt pipeline is up to 12 times faster than FireWire 800 and offers unprecedented expansion capabilities.FaceTime HD camera. Say hi in high def.Get more of your friends in on the fun with crisp, widescreen HD video. The picture is so clear, it will look and feel almost like youre in the same room. You can make 720p HD calls from your MacBook Pro to any Mac with a FaceTime HD camera. You can also make video calls to iPad, iPhone 4, iPhone 4S, iPod touch, and other Intel-based Mac computers.Multi-Touch trackpad. 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The MacBook Pro is a great computer that just got even greater.</description><image-url>http://images.bestbuy.com/BestBuy_US/images/products/5430/5430505_sc.jpg</image-url><in-stock></in-stock><isbn></isbn><manufacturer-name>Apple</manufacturer-name><manufacturer-sku>MD101LL/A</manufacturer-sku><name>Apple - MacBook Pro - 133" Display - 4GB Memory - 500GB Hard Drive</name><price>1199.99</price><retail-price>0.0</retail-price><sale-price>1199.99</sale-price><sku>5430505</sku><upc>885909582969</upc></product><product><ad-id>10479833</ad-id><advertiser-id>2014561</advertiser-id><advertiser-name>Apple Store US & Apple Store Canada</advertiser-name><advertiser-category>Family : Macbook_Pro</advertiser-category><buy-url>http://www.kqzyfj.com/click-4107027-10479833?url=http://store.apple.com/us/xc/product/MD101LL/A?cid=AOS-US-AFF-FEED&aosid=p201&cjsku=MD101</buy-url><catalog-id>cjo:1861</catalog-id><currency>USD</currency><description>The fastest Intel processors. Now topping top speed. 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Two new USB 3 ports are up to 10x faster than USB 2.</description><image-url>http://store.storeimages.cdn-apple.com/2782/as-images.apple.com/is/image/AppleInc/MC700</image-url><in-stock></in-stock><isbn></isbn><manufacturer-name>apple</manufacturer-name><manufacturer-sku>MD101LL/A</manufacturer-sku><name>Apple MacBook Pro 13&quot; 2.5GHz (MD101LL/A) - Dual Core Intel Core i5, 2.5GHz, 4GB memory, 500GB hard drive, 13-inch</name><price>1199.0</price><retail-price>0.0</retail-price><sale-price>0.0</sale-price><sku>MD101</sku><upc>885909582969</upc></product></products></cj-api>"