Adding an array example

ext/spl/examples/dba_array.php

@@ -0,0 +1,79 @@
+<?php
+
+/* dba array utility
+ *
+ * Usage php dba_dump <file> <handler> <key> [<value>]
+ *
+ * If <value> is specified then <key> is set to <value> in <file>.
+ * Else the value of <key> is printed only.
+ *
+ * Note: configure with --enable-dba 
+ *
+ * (c) Marcus Boerger
+ */
+
+class dba_array implements spl_array_access {
+	private $db;
+
+	function __construct($file, $handler)
+	{
+		$this->db = dba_popen($file, "c", $handler);
+		if (!$this->db) {
+			throw new exception("Databse could not be opened");
+		}
+	}
+
+	function __destruct()
+	{
+		dba_close($this->db);
+	}
+
+	function get($name)
+	{
+		$data = dba_fetch($name, $this->db); 
+		if($data) {
+			if (ini_get('magic_quotes_runtime')) {
+				$data = stripslashes($data);
+			}
+			return unserialize($data);
+		}
+		else 
+		{
+			return NULL;
+		}
+	}
+
+	function set($name, $value)
+	{
+		dba_replace($name, serialize($value), $this->db);
+		return $value;
+	}
+
+	function exists($name)
+	{
+		return dba_exists($name, $this->db);
+	}
+}
+
+try {
+	if ($argc > 2) {
+		$dba = new dba_array($argv[1], $argv[2]);
+		if ($dba && $argc > 3) {
+			if ($argc > 4) {
+				$dba[$argv[3]] = $argv[4];
+			}
+			var_dump(array('Index' => $argv[3], 'Value' => $dba[$argv[3]]));
+		}
+		$dba = NULL;
+	}
+	else
+	{
+		echo "Not enough parameters\n";
+		exit(1);
+	}
+}
+catch (exception $err) {
+	var_dump($err);
+	exit(1);
+}
+?>