Remove usage of reset()/each() for iterator

1 files changed, 6 insertions, 6 deletions

diff --git a/it_pipe.class b/it_pipe.class
index cd1b54f..e23f7e8 100644
--- a/it_pipe.class
+++ b/it_pipe.class
@@ -6,6 +6,7 @@ class it_pipe implements Iterator
 
 	var $lines; # all lines currently in pipe
 	var $_valid;
+	var $_position;
 
 /**
  * Creates a pipe object from input. Named arguments:
@@ -50,28 +51,27 @@ function __toString()
 #
 function rewind()
 {
-	reset($this->lines);
-	$this->next();
+	$this->_position = 0;
 }
 
 function next()
 {
-	$this->_valid = each($this->lines);
+	$this->_position++;
 }
 
 function valid()
 {
-	return $this->_valid;
+	return isset($this->lines[$this->_position]);
 }
 
 function current()
 {
-	return $this->_valid[1];
+	return $this->lines[$this->_position];
 }
 
 function key()
 {
-	return $this->_valid[0];
+	return $this->_position;
 }