An example of PHP image collection function

An example of PHP image collection function

<p><?
/**
* 采集图片函数
* func: getimg
* params: $url 网址 $filepath 图片文件的路径
* by bbs.it-home.org
*/
function getimg($url, $filepath) { </p>
<p> if ($url == &#39;&#39;) {
return false;
}
$ext = strrchr($url, &#39;.&#39;); </p>
<p> if ($ext != &#39;.gif&#39; && $ext != &#39;.jpg&#39;) {
return false;
} </p>
<p> //判断路经是否存在
!is_dir($filepath)?mkdir($filepath):null; </p>
<p> //获得随机的图片名，并加上后辍名
$filetime = time();
$filename = date("YmdHis",$filetime).rand(100,999).&#39;.&#39;.substr($url,-3,3); </p>
<p> //读取图片
$img = fetch_urlpage_contents($url);
//指定打开的文件
$fp = @ fopen($filepath.&#39;/&#39;.$filename, &#39;a&#39;);
//写入图片到指定的文本
fwrite($fp, $img);
fclose($fp);
return &#39;/&#39;.$filepath.&#39;/&#39;.$filename;
}
function fetch_urlpage_contents($url){
$ch = curl_init();
curl_setopt ($ch, CURLOPT_URL, $url);
curl_setopt ($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt ($ch, CURLOPT_TIMEOUT, 1000);
$file_contents = curl_exec($ch);
curl_close($ch);
return $file_contents;
}
echo getimg(") //图片地址 //保存路径 //返回保存后路径
?></p>

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