PHP将微博短地址还原为实际网址方法
由于微博中有字数限制,所以如果你发的是网址,会自动将其变为短网址。这里我们把短网址还原为实际网址。请参照下面的程序,用PHP将微博短地址还原为实际网址方法实现:
<?php $url= " http://163.fm/1QLJ8U"; echounshorten($url); functionunshorten($url) { $url= trim($url); $headers= get_headers($url); $location= $url; $short= false; foreach($headersas$head) { if($head=="HTTP/1.1 302 Found") $short= true; if($short&& startwith($head,"Location: ")) { $location= substr($head,10); } } return$location; } functionstartwith($Haystack, $Needle) { returnstrpos($Haystack, $Needle) === 0; } ?>
程序运行结果如下:
http://www.scutephp.com/

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