Merge pull request #8 from shahariaazam/master

Thanks for the contributions
added example to fully functional Iterator implementation
Merge branch 'master' of https://github.com/Faryshta/PHP-Programmer-Community
added php. net explanation
Added a very simple PDO snippet
removing PHPStorm project folder
Merge pull request #11 from oaass/master

This merge will be reviwed later to add syntax and some explanations why this code is sql injection safe.
Merge pull request #1 from Faryshta/master

Actualization with the Ole PDO snippet