From a46ae22bf785bf74334a309c9b2f0a64f5a05659 Mon Sep 17 00:00:00 2001
From: paierlep <web@paierlep.com>
Date: Wed, 3 Jul 2013 19:50:20 +0200
Subject: [PATCH] Update php.html.markdown

a few sentences to constants
---
 php.html.markdown | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/php.html.markdown b/php.html.markdown
index f0c5c918..c6811282 100644
--- a/php.html.markdown
+++ b/php.html.markdown
@@ -99,6 +99,21 @@ END;
 echo 'This string ' . 'is concatenated';
 
 
+/********************************
+ * Constants
+ */
+ 
+// A constant is defined by using define()
+// and can never be changed during runtime!
+
+// a valid constant name starts with a letter or underscore,
+// followed by any number of letters, numbers, or underscores.
+define("FOO",     "something");
+
+// access to a constant is possible by direct using the choosen name
+echo 'This outputs '.FOO;
+
+
 /********************************
  * Arrays
  */