Add links to other useful resources and video tutorials

_posts/16-08-01-Sites.md

@@ -0,0 +1,22 @@
+---
+isChild: true
+anchor:  other_resources
+title:   Other Useful Resources
+---
+
+## Other Useful Resources {#other_resources_title}
+
+### Cheatsheets
+
+* [PHP Cheatsheets](http://phpcheatsheets.com/) - for variable comparisons, arithmetics and variable testing in various
+PHP versions
+* [PHP Security Cheatsheet](https://www.owasp.org/index.php/PHP_Security_Cheat_Sheet)
+
+### More best practices
+
+* [PHP Best Practices](https://phpbestpractices.org/)
+* [Best practices for Modern PHP Development](https://www.airpair.com/php/posts/best-practices-for-modern-php-development)
+
+### PHP universe
+
+* [PHP Developer blog](http://blog.phpdeveloper.org/)

_posts/16-09-01-Videos.md

@@ -0,0 +1,12 @@
+---
+isChild: true
+anchor:  videos
+title:   Video Tutorials
+---
+
+## Video Tutorials {#videos_title}
+
+### Paid Videos
+
+* [Standards and Best practices](http://teamtreehouse.com/library/standards-and-best-practices)
+* [PHP Training on Pluralsight](http://www.pluralsight.com/search/?searchTerm=php)

pages/The-Basics.md

@@ -36,6 +36,7 @@ if (strpos('testing', 'test') !== false) {    // true, as strict comparison was
 
 * [Comparison operators](http://php.net/language.operators.comparison)
 * [Comparison table](http://php.net/types.comparisons)
+* [Comparison cheatsheet](http://phpcheatsheets.com/index.php?page=compare)
 
 ## Conditional statements