What are the Merits and De-Merits of CURL library ?
PHP supports libcurl, a library that allows you to connect
and communicate to many different types of servers with many
different types of protocols.
libcurl currently supports the http, https, ftp, gopher,
telnet, dict, file, and ldap protocols.
libcurl also supports HTTPS certificates, HTTP POST, HTTP
PUT, FTP uploading (this can also be done with PHP's ftp
extension), HTTP form based upload, proxies, cookies, and
user+password authentication.
| Is This Answer Correct ? | 4 Yes | 1 No |
Explain type casting and type juggling.
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class Database { public static $_instance; public static function getInstance() { if(!isset(self::$_instance)) self::$_instance = new Database(DB_SERVER, DB_USER, DB_PASS, DB_NAME); print_r(self::$_instance); return self::$_instance; } } can any one explain "self::$_instance = new Database(DB_SERVER, DB_USER, DB_PASS, DB_NAME);" this line
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