open source web crawler php

PHP implements simple crawling \ '\ "\] *). *?> /'; $ Result = preg_match_all ($ reg_tag_a, $ web_content, $ match_result); if ($ result) {return $ match_result [1];} /*** modify the relative path ** @ param string $ base_url * @ param array $ url_list * @ return array */function _ reviseUrl ($ base_url, $ url_list) {$ url_info = parse_url ($ base_url); $ base_url = $ url_info ["scheme"]. ': //'; if ($ url_info ["user"] $ url_info ["pass"]) {$ bas

library. Install one step, the default comes with some templates, it is recommended. It should be noted that the official website claims to be open source, if so, familiar with pear PHP programmer is easy to get started. Official Chinese version: http://www.hbcms.com/ 4.supsite-a PHP program system that automatically

It is used to distinguish between browser and web crawler access. the main implementation code is as follows: php determines whether a web crawler or a browser accesses a website? December 25, 2013 score 2.6, out of 5 stars 10 votes + Add comments 136 read I added an access

PHP web crawler Database industry data Do you have a master who has developed a similar program? I can give you some pointers. Functional requirements are automatically obtained from the site and then stored in the database. Reply to discussion (solution) Curl crawls to the target site, the regular or DOM gets the appropriate data, and then saves the databas

= ''. join (picname) I = 0 for each in pic_url: print 'Now downloading: '+ each pic = requests. get (each) fp = open ('Pic \ '+ picnamestr +'-'+ str (I) + '.jpg', 'wb') fp. write (pic. content) fp. close () I + = 1 # ppic collection class method def ppic (self, link): print U' processing page: '+ link html = picspider. getsource (link) pic_url = picspider. getpic (html) picspider. savepic (pic_url) time1 = time. time () if _ name _ = '_ main _': url

PHP is open-source for free. What do official users eat and drink? How are they commercialized? Curious. PHP is open-source for free. What do official users eat and drink? How are they commercialized? Curious. Reply content:

Pcntl_fork or swoole_process implements multi-process concurrency. The crawl time per page is 500ms, open 200 processes, can achieve 400 pages per second crawl. Curl implements a page crawl, setting a cookie to enable a simulated login Simple_html_dom implementing page parsing and DOM processing If you want to emulate a browser, you can use Casperjs. Encapsulating a service interface with the swoole extension for

Have php web crawlers developed similar programs? Can give some advice. The functional requirement is to automatically obtain relevant data from the website and store the data in the database. PHP web crawler database php

PHP web crawler Do you have a master who has developed a similar program? I can give you some pointers. Functional requirements are automatically obtained from the site and then stored in the database. PHP web crawler Database

Have php web crawlers developed similar programs? Can give some advice. The functional requirement is to automatically obtain relevant data from the website and store the data in the database. PHP web crawler Have you ever developed a similar program? Can give some advice.

();} function _ init_base () {$ this-> cache_path = _ DIR __. '/'. trim ($ _ POST ['cache _ path'], '/'). '/'; $ this-> fetch_item_query = $ _ POST ['Fetch _ item_query ']; $ this-> fetch_page_current = $ _ POST ['fetch _ page_current']; $ this-> base_url = $ _ POST ['URL'];} function request () {if (strstr ($ _ POST ['URL'], '? ') {$ Url = sprintf ("% s auth = % s", $ _ POST ['URL'], $ auth );} else {$ url = sprintf ("% s? Auth = % s ", $ _ POST ['URL'], $ auth) ;}$ param = array (); if (isse

How can a good php open-source system study it more efficiently? How can a good php open-source system study it more efficiently? Reply content: How can a good php

Have php web crawlers developed similar programs? Can give some advice. The functional requirement is to automatically obtain relevant data from the website and store the data in the database. PHP web crawler database industry data php