{"id":101656,"date":"2021-09-04T17:20:16","date_gmt":"2021-09-04T09:20:16","guid":{"rendered":"https:\/\/www.keaglegz.com\/?p=101656"},"modified":"2021-09-04T17:20:16","modified_gmt":"2021-09-04T09:20:16","slug":"php%e4%bd%bf%e7%94%a8get_headers%e5%87%bd%e6%95%b0%e8%8e%b7%e5%8f%96%e5%a4%9a%e6%ac%a1%e8%b7%b3%e8%bd%ac%e5%90%8e%e7%9c%9f%e5%ae%9e%e7%9a%84url%e5%9c%b0%e5%9d%80","status":"publish","type":"post","link":"https:\/\/www.dongwubaike.cn\/fanhao\/101656.html","title":{"rendered":"PHP\u4f7f\u7528get_headers\u51fd\u6570\u83b7\u53d6\u591a\u6b21\u8df3\u8f6c\u540e\u771f\u5b9e\u7684url\u5730\u5740"},"content":{"rendered":"\n

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\/*      \u83b7\u53d6\u591a\u6b21\u8df3\u8f6c\u540e\u771f\u5b9e\u7684url      @param str $url \u67e5\u8be2      $return str  \u5b9a\u5411\u540e\u7684url\u7684\u771f\u5b9eurl   *\/  function getrealurl($url){      $header = @get_headers($url,1);  \/\/\u9ed8\u8ba4\u7b2c\u4e8c\u4e2a\u53c2\u65700\uff0c\u53ef\u90091\uff0c\u8fd4\u56de\u5173\u8054\u6570\u7ec4      if(!$header){          exit('\u65e0\u6cd5\u6253\u5f00\u6b64\u7f51\u7ad9'.$url);      }      \/\/var_dump($header);      if (strpos($header[0],'301') || strpos($header[0],'302')) {          if(is_array($header['Location'])) {              return $header['Location'][count($header['Location'])-1];          }else{              return $header['Location'];          }      }else {          return $url;      }  }    $url = 'http:\/\/t.cn\/EX1RqUk';  $url = getrealurl($url);  echo '\u771f\u5b9e\u7684url\u4e3a\uff1a'.$url;<\/pre>\n","protected":false},"excerpt":{"rendered":"
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