<?php
header('Content-Type:text/html;charset=utf-8');
/**
* 一个用于抓去图片的类
*/
class download_image {
public $_save_path = NULL; //图片保存路劲
public $_limit_size = NULL; //图片限制大小
public static $_img_url_old = array(); //存储已抓取过的图片链接地址
public static $_a_page_url = array(); //存储抓取过的页面
public function __construct( $_save_path, $_limit_size) {
$this->_save_path = $_save_path;
$this->_limit_size = $_limit_size;
}
public function get_all_page_image( $site_url ) {
if ( $site_url == '' ) {
return false;
}
if ( ! in_array( $site_url, self::$_a_page_url ) ) { //判断当前页面是否抓取过
self::$_a_page_url[] = $site_url; //将超链接存入静态数组中
} else {
return; //若抓取过则跳出
}1. Find a page
2. Filter all img
3. Filter out all src attributes
4. Get link information, Write files file_get_contents(), file_put_contents()
5. Run the code in cli mode (the browser may run out of memory or run timeout)
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