From 13626f1556884806dbcc387b7268975de2c0aac4 Mon Sep 17 00:00:00 2001
From: Christian Schneider
Date: Wed, 1 Oct 2008 14:04:03 +0000
Subject: Added PHP5 iterator to it_dbi: Allows foreach (new T_User...)
---
it_dbi.class | 39 ++++++++++++++++++++++++++++++++++++++-
1 file changed, 38 insertions(+), 1 deletion(-)
diff --git a/it_dbi.class b/it_dbi.class
index 153fdd6..356930e 100644
--- a/it_dbi.class
+++ b/it_dbi.class
@@ -143,7 +143,8 @@ function createclass($p)
if (substr($classname, 0, 4) != 'PMA_') # It is designed behaviour that an error is generated if this class already exists!
{
- $code = "class $classname extends it_dbi
+ $interface = function_exists("interface_exists") && interface_exists("Iterator", false) ? "implements Iterator" : "";
+ $code = "class $classname extends it_dbi $interface
{
function $classname(/* $query ... */)
{
@@ -677,6 +678,42 @@ function _get_field_info()
return $result;
}
+#
+# Implement PHP 5 Iterator interface to make foreach work
+# Example: foreach (new T_User('firstname' => "foo") as $foouser) { ... }
+#
+function current()
+{
+ return $this;
+}
+
+function key()
+{
+ return $this->_key;
+}
+
+function next()
+{
+ $this->iterate();
+}
+
+function rewind()
+{
+ if (!$this->_result) # Object without query used in foreach
+ $this->select();
+
+ # Only rewind if not already at start and results present
+ if (!$this->_nofetch && mysql_num_rows($this->_result))
+ mysql_data_seek($this->_result, 0);
+
+ $this->iterate();
+}
+
+function valid()
+{
+ return (bool)$this->_data;
+}
+
} /* End class it_dbi */
?>
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