Curl (), file_get_contents (), snoopy.class.php these three remote pages crawl or collect the tools used, the snoopy.class.php is still invaded to use, because he is more efficient and does not require server-specific configuration support, in the ordinary virtual host can be used, file_get_ Contents () Less efficient, common failure, curl () high efficiency, support multithreading, but need to open the curl extension. The following are the steps to open the Curl extension:
1, the PHP folder under the three files Php_curl.dll,libeay32.dll,ssleay32.dll copy to the System32;
2, in the php.ini (c:windows directory) in the Extension=php_curl.dll in the semicolon removed;
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