Fix PHP 8.1 warnings

1 files changed, 5 insertions, 0 deletions

diff --git a/it_pipe.class b/it_pipe.class
index 94801c3..0c112d9 100644
--- a/it_pipe.class
+++ b/it_pipe.class
@@ -49,26 +49,31 @@ function __toString()
 #
 # Internal: Implement iterator
 #
+#[ReturnTypeWillChange]
 function rewind()
 {
 	$this->_position = 0;
 }
 
+#[ReturnTypeWillChange]
 function next()
 {
 	$this->_position++;
 }
 
+#[ReturnTypeWillChange]
 function valid()
 {
 	return array_key_exists($this->_position, $this->lines);
 }
 
+#[ReturnTypeWillChange]
 function current()
 {
 	return $this->lines[$this->_position];
 }
 
+#[ReturnTypeWillChange]
 function key()
 {
 	return $this->_position;