Secure php code? [duplicate]

Secure php code? [duplicate]

References

Reference NO 1

http://stackoverflow.com/questions/6473053/php-code-security

Reference NO 2

http://stackoverflow.com/questions/11704270/comprehensive-security-against-user-input-php-mysql

Reference NO 3

http://security.stackexchange.com/questions/32967/is-it-possible-to-execute-a-php-script-in-an-image-file

Reference NO 4

http://www.dagondesign.com/articles/secure-php-form-mailer-script/

Reference NO 5

http://www.htmlgoodies.com/beyond/php/article.php/3472401/HTML-Goodies-PHP-Tutorial---Duplicate.htm

Reference NO 6

http://www.devshed.com/c/a/PHP/Creating-a-Secure-PHP-Login-Script-59941/

Reference NO 7

http://www.webproworld.com/webmaster-forum/threads/17888-PHP-upload-script-allow-duplicate-filenames

Reference NO 8

#EANF#