From 7bf745c1f1701a85126ce3ff9e60cb078bbcd57a Mon Sep 17 00:00:00 2001
From: Kamil Kaminski <kylek389@gmail.com>
Date: Mon, 17 Mar 2014 19:12:28 -0500
Subject: php globals: try few exmaples

---
 global_from-func-to-global.php | 10 ++++++++++
 global_vars.php                |  4 ++++
 globals.php                    | 16 ++++++++++++++++
 3 files changed, 30 insertions(+)
 create mode 100644 global_from-func-to-global.php
 create mode 100644 global_vars.php
 create mode 100644 globals.php

diff --git a/global_from-func-to-global.php b/global_from-func-to-global.php
new file mode 100644
index 0000000..94d3f81
--- /dev/null
+++ b/global_from-func-to-global.php
@@ -0,0 +1,10 @@
+<?php
+
+function foo() {
+    global $foo;
+    $foo = 'bar';
+}
+
+foo();
+// prints 'bar'
+echo $foo;
diff --git a/global_vars.php b/global_vars.php
new file mode 100644
index 0000000..bf86e98
--- /dev/null
+++ b/global_vars.php
@@ -0,0 +1,4 @@
+<?php
+
+$fruit = 'apple';
+$color = 'green';
diff --git a/globals.php b/globals.php
new file mode 100644
index 0000000..ade8d6d
--- /dev/null
+++ b/globals.php
@@ -0,0 +1,16 @@
+<?php
+/*
+ *
+ */
+
+function foo() {
+    // when a file is included, the code it contains inherits the variable scope of the line on which the include occurs
+    include 'global_vars.php';
+    echo $color;
+}
+
+// prints green
+foo();
+
+// undefined
+echo $color;
-- 
cgit v1.2.3