php实现简单爬虫

会飞的鱼
2022-03-28 12:00:44
后端
php

header( "Content-type:text/html;Charset=utf-8" );
$ch = curl_init();
$url="http://image.baidu.com/";
curl_setopt ($ch , CURLOPT_USERAGENT ,"Mozilla/5.0 (Windows NT 10.0; Win64; x64)AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2785.113 Safari/537.36" );
curl_setopt($ch,CURLOPT_URL,$url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
$content=curl_exec($ch);
$string=file_get_contents($url);
preg_match_all("/<img([^>]*)\s*src=('|\")([^'\"]+)('|\")/", $string,$matches);
$new_arr=array_unique($matches[3]);
foreach($new_arr as $key) {
    echo "<img src=$key>";
}

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