[Basic]Ternary operators inform minor change

pages/The-Basics.md

@@ -385,6 +385,9 @@ Another example is the snippet below which will return true if ($a != 3 AND $b !
 return ($a != 3 && $b != 4) || $c == 5;
 {% endhighlight %}
 
+Since PHP 5.3, it is possible to leave out the middle part of the ternary operator.
+Expression "expr1 ?: expr3" returns expr1 if expr1 evaluates to TRUE, and expr3 otherwise.
+
 * [Ternary operators](http://php.net/language.operators.comparison)
 
 ## Variable declarations