some stuff for the chapter on functions

14 years ago · da075b76ba
parent 9dab7bf8d7
commit da075b76ba
1 changed files with 30 additions and 0 deletions
--- a/docroot/html/functions.php
+++ b/docroot/html/functions.php
@ -0,0 +1,30 @@
+<?php
+
+require_once("_head.php");
+
+mkheader("functions!", "#fafafa");
+
+?>
+
+  <body>
+
+    <!-- ======================================================= -->
+    <pre><?php
+
+    function sum($this, $other=5) {
+        return $this + $other;
+    }
+
+    print "I am human, I am.\n";
+
+    $a = $_GET['a'] ? $_GET['a'] : 72 ;
+
+    print "$a plus 5 is " . sum($a, 5) . ".\n";
+
+    print "$a plus 5 is " . sum($a) . ".\n";
+
+    ?></pre>
+
+
+  </body>
+</html>