Update links to https in Basics section

Author: petk

pages/The-Basics.md

@@ -31,9 +31,9 @@ if (strpos('testing', 'test') !== false) {    // true, as strict comparison was
 }
 {% endhighlight %}
 
-* [Comparison operators](http://php.net/language.operators.comparison)
-* [Comparison table](http://php.net/types.comparisons)
-* [Comparison cheatsheet](http://phpcheatsheets.com/index.php?page=compare)
+* [Comparison operators](https://www.php.net/language.operators.comparison)
+* [Comparison table](https://www.php.net/types.comparisons)
+* [Comparison cheatsheet](https://phpcheatsheets.com/index.php?page=compare)
 
 ## Conditional statements
 
@@ -73,7 +73,7 @@ function test($a)
 
 {% endhighlight %}
 
-* [If statements](http://php.net/control-structures.if)
+* [If statements](https://www.php.net/control-structures.if)
 
 ### Switch statements
 
@@ -106,7 +106,7 @@ function test($a)
 }
 {% endhighlight %}
 
-* [Switch statements](http://php.net/control-structures.switch)
+* [Switch statements](https://www.php.net/control-structures.switch)
 * [PHP switch](http://phpswitch.com/)
 
 ## Global namespace
@@ -131,8 +131,8 @@ function array()
 }
 {% endhighlight %}
 
-* [Global space](http://php.net/language.namespaces.global)
-* [Global rules](http://php.net/userlandnaming.rules)
+* [Global space](https://www.php.net/language.namespaces.global)
+* [Global rules](https://www.php.net/userlandnaming.rules)
 
 ## Strings
 
@@ -156,7 +156,7 @@ $a = 'Multi-line example'      // concatenation operator (.)
     . 'of what to do';
 {% endhighlight %}
 
-* [String Operators](http://php.net/language.operators.string)
+* [String Operators](https://www.php.net/language.operators.string)
 
 ### String types
 
@@ -184,7 +184,7 @@ echo 'This is my string, look at how pretty it is.';    // no need to parse a si
  */
 {% endhighlight %}
 
-* [Single quote](http://php.net/language.types.string#language.types.string.syntax.single)
+* [Single quote](https://www.php.net/language.types.string#language.types.string.syntax.single)
 
 #### Double quotes
 
@@ -234,7 +234,7 @@ $juice = array('apple', 'orange', 'plum');
 echo "I drank some juice made of {$juice[1]}s";   // $juice[1] will be parsed
 {% endhighlight %}
 
-* [Double quotes](http://php.net/language.types.string#language.types.string.syntax.double)
+* [Double quotes](https://www.php.net/language.types.string#language.types.string.syntax.double)
 
 #### Nowdoc syntax
 
@@ -260,7 +260,7 @@ EOD;                        // closing 'EOD' must be on its own line, and to the
  */
 {% endhighlight %}
 
-* [Nowdoc syntax](http://php.net/language.types.string#language.types.string.syntax.nowdoc)
+* [Nowdoc syntax](https://www.php.net/language.types.string#language.types.string.syntax.nowdoc)
 
 #### Heredoc syntax
 
@@ -288,7 +288,7 @@ EOD;                        // closing 'EOD' must be on its own line, and to the
  */
 {% endhighlight %}
 
-* [Heredoc syntax](http://php.net/language.types.string#language.types.string.syntax.heredoc)
+* [Heredoc syntax](https://www.php.net/language.types.string#language.types.string.syntax.heredoc)
 
 > It should be noted that multiline strings can also be formed by continuing them across multilines in a statement. _e.g._
 
@@ -326,7 +326,7 @@ Regardless of what you are doing with strings, none of the types will ever have
 application. Trying to rewrite code to use one or the other is always an exercise in futility, so avoid this
 micro-optimization unless you really understand the meaning and impact of the differences.
 
-* [Disproving the Single Quotes Performance Myth](http://nikic.github.io/2012/01/09/Disproving-the-Single-Quotes-Performance-Myth.html)
+* [Disproving the Single Quotes Performance Myth](https://www.npopov.com/2012/01/09/Disproving-the-Single-Quotes-Performance-Myth.html)
 
 
 ## Ternary operators
@@ -413,4 +413,4 @@ return ($a != 3 && $b != 4) || $c == 5;
 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)
+* [Ternary operators](https://www.php.net/language.operators.comparison)