1 files changed, 50 insertions, 0 deletions
diff --git a/scope.php b/scope.php
new file mode 100644
index 0000000..fc25ce4
--- /dev/null
+++ b/scope.php
@@ -0,0 +1,50 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
+"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml">
+<head>
+<title>Hacker's Corner</title>
+<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
+</head>
+<body>
+<?php
+    $var = 1;
+
+    function test1()
+    {
+        /* local var */
+        $var = 2;
+        echo $var . "<br />\n";
+    }
+
+    function test2()
+    {
+        global $var; /* extern */
+        $var = 2;    /* now we actually change the global */
+        echo $var . "<br />\n";
+    }
+
+    function test3()
+    {
+        /* local var with ability to retain value in multiple calls */
+        static $var = 0;
+
+        echo "test3 var: {$var}<br />\n";
+        $var++;
+    }
+
+    test1();
+    echo $var . "<br /><br />\n";
+
+    test2();
+    echo $var . "<br />\n";
+
+    test3();
+    test3();
+    test3();
+    test3();
+    test3();
+    echo $var;
+?>
+</body>
+</html>
+