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php采集内容中带有图片地址的远程图片并保存的方法

 这篇文章主要介绍了php采集内容中带有图片地址的远程图片并保存的方法,可实现采集并保存远程图片的功能,是非常实用的技巧,需要的朋友可以参考下

 

 

本文实例讲述了php采集内容中带有图片地址的远程图片并保存的方法。分享给大家供大家参考。具体实现方法如下:

 

代码如下:

function my_file_get_contents($url, $timeout=30) {
if ( function_exists('curl_init') )
{
$ch = curl_init();
curl_setopt ($ch, curlopt_url, $url);
curl_setopt ($ch, curlopt_returntransfer, 1);
curl_setopt ($ch, curlopt_connecttimeout, $timeout);
$file_contents = curl_exec($ch);
curl_close($ch);
}
else if ( ini_get('allow_url_fopen') == 1 || strtolower(ini_get('allow_url_fopen')) == 'on' )
{
$file_contents = @file_get_contents($url);
}
else
{
$file_contents = '';
}
return $file_contents;
}



代码如下:

function get_remote($body,$title){

$img_array = array();
$img_path = realpath("../../../upfile/news/").'/'.date("y/m/d/"); //采集远程图片保存地址
//die($img_path);
$img_rpath='/upfile/news/'.date("y/m/d/"); //设置访问地址
$body = stripslashes(strtolower($body));
preg_match_all("/(src|src)=["|'| ]{0,}(http://(.*).(gif|jpg|jpeg|png))/isu",$body,$img_array);
$img_array = array_unique($img_array[2]);
foreach ($img_array as $key => $value) {
$get_file = my_file_get_contents($value,60);
$filetime = time();
$filename = date("ymdhis",$filetime).rand(1,999).'.'.substr($value,-3,3);
if(emptyempty($get_file)){
@sleep(10);
$get_file = my_file_get_contents($value,30);
if(emptyempty($get_file)){
$body = preg_replace("/".addcslashes($value,"/")."/isu", '/notfound.jpg', $body);
continue;
}
}
if(!emptyempty($get_file) ){
if( mkdirs($img_path) )
{
$fp = fopen($img_path.$filename,"w");
if(fwrite($fp,$get_file)){
$body = preg_replace("/".addcslashes($value,"/")."/isu", $img_rpath.$filename, $body);
}
fclose($fp);
@sleep(6);
}
}

}
$body =str_replace("php采集内容中带有图片地址的远程图片并保存的方法 return $body;

}

function mkdirs($dir)
{
if(!is_dir($dir)){
if(!mkdirs(dirname($dir))){
return false;}
if(!mkdir($dir,0777)){
return false;}
}
return true;
}
//用法如下:

$str ='fasfsdafsaphp采集内容中带有图片地址的远程图片并保存的方法';
echo get_remote($str,'图片');

 

希望本文所述对大家的php程序设计有所帮助。

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