Php Sizeof

php tutorial to detect the length of the array function sizeof count in php detection array length function sizeof count Now see a simple example * / $ colorlist = array ("apple" => "red", "grass" => "green", " sky "=>" bl ...

php tutorial to get the native mac address three ways getmacaddr {var $ return_array = array (); / / return string array with mac address var $ mac_addr; ...

php tutorial package (online decompression and online package download source) This program supports file download decompression and online compression, so that we find examples of online decompression and online package download. * / //phpzip.class.php class phpzip {var $ datasec, $ ctrl_dir = array (); var $ eof_ctrl_dir = "x50x4bx05x06x00x00x00 ...

PHP Tutorial Date mailbox Address user name validation instance <form id= "Form1" Name= "Form1" method= "Post" action= "" > <label>name <input name= "name "Type=" ...

There are many cross-site scripting vulnerabilities in many domestic forums, and there are (quite a few) foreign (and many) more such examples, and even Google (also) has appeared, but was fixed in early December. (Editor's note: For cross-site scripting exploits, readers can refer to "Detailed XSS cross-site scripting attacks"). Cross-site attacks (very) easy to construct, and very subtle, not easy to be detected (usually steal information immediately after the jump back to the original page). How to attack, not to explain here ((and) Do not ask me), the main talk about how to prevent. First of all, cross-site scripting attacks are (due) to the user's ...

php tutorial $ http_cookie_vars Example Voting limit if ($ http_cookie_vars ["vote"]) {echo "<script> alert ('You have voted, please do not repeat the vote'); history.back (); </ script > "; exit;} $ vcount = $ _ pos ...

Preface: This article was written at the beginning of last year and was not released for security reasons. Now some online banks have significantly reduced the level of security without high level of the transfer limit, and advised users to use dynamic password card or USB Key, the overall safety factor has been improved. With the popularization of sub commerce, online Banking and online electronic payment are gradually accepted and loved by netizens. But the security of online banking and e-commerce payment platform is not optimistic. While internet banks take SSL encryption to prevent the interception of passwords by sniffing the network packets, the password for preventing web landings ...