php语法如何设置User Agent字符串（简单示列）

如何利用php语法设置User Agent字符串，下面web建站小编给大家举一个简单的示列！

示列如下：

复制代码$url = 'https://www.example.com';
$useragent = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.36";
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_USERAGENT, $useragent);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$result = curl_exec($ch);
curl_close($ch);
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