1 files changed, 73 insertions, 17 deletions

diff --git a/php.html.markdown b/php.html.markdown
index 39ec5aef..5bc2ddce 100644
--- a/php.html.markdown
+++ b/php.html.markdown
@@ -12,7 +12,7 @@ This document describes PHP 5+.
 <?php // PHP code must be enclosed with <?php tags
 
 // If your php file only contains PHP code, it is best practice
-// to omit the php closing tag.
+// to omit the php closing tag to prevent accidental output.
 
 // Two forward slashes start a one-line comment.
 
@@ -103,6 +103,8 @@ END;
 // String concatenation is done with .
 echo 'This string ' . 'is concatenated';
 
+// Strings can be passed in as parameters to echo
+echo 'Multiple', 'Parameters', 'Valid';
 
 /********************************
  * Constants
@@ -141,6 +143,8 @@ echo $array[0]; // => "One"
 
 // Add an element to the end of an array
 $array[] = 'Four';
+// or
+array_push($array, 'Five');
 
 // Remove element from array
 unset($array[3]);
@@ -379,7 +383,7 @@ for ($i = 0; $i < 5; $i++) {
 
 // Define a function with "function":
 function my_function () {
-  return 'Hello';
+    return 'Hello';
 }
 
 echo my_function(); // => "Hello"
@@ -388,8 +392,8 @@ echo my_function(); // => "Hello"
 // number of letters, numbers, or underscores.
 
 function add ($x, $y = 1) { // $y is optional and defaults to 1
-  $result = $x + $y;
-  return $result;
+    $result = $x + $y;
+    return $result;
 }
 
 echo add(4); // => 5
@@ -400,21 +404,21 @@ echo add(4, 2); // => 6
 
 // Since PHP 5.3 you can declare anonymous functions;
 $inc = function ($x) {
-  return $x + 1;
+    return $x + 1;
 };
 
 echo $inc(2); // => 3
 
 function foo ($x, $y, $z) {
-  echo "$x - $y - $z";
+    echo "$x - $y - $z";
 }
 
 // Functions can return functions
 function bar ($x, $y) {
-  // Use 'use' to bring in outside variables
-  return function ($z) use ($x, $y) {
-    foo($x, $y, $z);
-  };
+    // Use 'use' to bring in outside variables
+    return function ($z) use ($x, $y) {
+        foo($x, $y, $z);
+    };
 }
 
 $bar = bar('A', 'B');
@@ -426,6 +430,21 @@ echo $function_name(1, 2); // => 3
 // Useful for programatically determining which function to run.
 // Or, use call_user_func(callable $callback [, $parameter [, ... ]]);
 
+
+// You can get the all the parameters passed to a function
+function parameters() {
+    $numargs = func_num_args();
+    if ($numargs > 0) {
+        echo func_get_arg(0) . ' | ';
+    }
+    $args_array = func_get_args();
+    foreach ($args_array as $key => $arg) {
+        echo $key . ' - ' . $arg . ' | ';
+    }
+}
+
+parameters('Hello', 'World'); // Hello | 0 - Hello | 1 - World |
+
 /********************************
  * Includes
  */
@@ -693,6 +712,43 @@ use My\Namespace as SomeOtherNamespace;
 
 $cls = new SomeOtherNamespace\MyClass();
 
+
+/**********************
+* Late Static Binding
+*
+* /
+
+class ParentClass {
+    public static function who() {
+        echo "I'm a " . __CLASS__ . "\n";
+    }
+    public static function test() {
+        // self references the class the method is defined within
+        self::who();
+        // static references the class the method was invoked on
+        static::who();
+    }
+}
+
+ParentClass::test();
+/*
+I'm a ParentClass
+I'm a ParentClass
+*/
+
+class ChildClass extends ParentClass {
+    public static function who() {
+        echo "But I'm " . __CLASS__ . "\n";
+    }
+}
+
+ChildClass::test();
+/*
+I'm a ParentClass
+But I'm ChildClass
+*/
+
+
 /**********************
 *  Error Handling
 *  
@@ -702,15 +758,15 @@ $cls = new SomeOtherNamespace\MyClass();
 
 try {
     // Do something
-} catch ( Exception $e) {
+} catch (Exception $e) {
     // Handle exception
 }
 
 // When using try catch blocks in a namespaced enviroment use the following
 
-try { 
+try {
     // Do something
-} catch (\Exception $e) { 
+} catch (\Exception $e) {
     // Handle exception
 }
 
@@ -719,13 +775,13 @@ try {
 class MyException extends Exception {}
 
 try {
-    
-    $condition = true; 
-    
+
+    $condition = true;
+
     if ($condition) {
         throw new MyException('Something just happend');
     }
-    
+
 } catch (MyException $e) {
     // Handle my exception
 }