X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FUtil%2FReversedFileReader.php;h=92c8cced184e1db5c8b602815ed3a4a9373af302;hb=eadcc8dc9338339f9790f580fc9c4be92b13e70b;hp=248792f17aa81786f43bda72f9fa49adfce4f797;hpb=7f695197aae9d87f5c04c2f7801d97852d72a3bc;p=friendica.git

diff --git a/src/Util/ReversedFileReader.php b/src/Util/ReversedFileReader.php
index 248792f17a..92c8cced18 100644
--- a/src/Util/ReversedFileReader.php
+++ b/src/Util/ReversedFileReader.php
@@ -72,7 +72,7 @@ class ReversedFileReader implements \Iterator
 
 	/**
 	 * Read $size bytes behind last position
-	 * 
+	 *
 	 * @return string
 	 */
 	private function _read($size)
@@ -85,7 +85,7 @@ class ReversedFileReader implements \Iterator
 	/**
 	 * Read next line from end of file
 	 * Return null if no lines are left to read
-	 * 
+	 *
 	 * @return ?string
 	 */
 	private function _readline()
@@ -95,6 +95,9 @@ class ReversedFileReader implements \Iterator
 			if ($this->pos == 0) {
 				return array_pop($buffer);
 			}
+			if (is_null($buffer)) {
+				return null;
+			}
 			if (count($buffer) > 1) {
 				return array_pop($buffer);
 			}
@@ -104,7 +107,7 @@ class ReversedFileReader implements \Iterator
 
 	/**
 	 * Fetch next line from end and set it as current iterator value.
-	 * 
+	 *
 	 * @see Iterator::next()
 	 * @return void
 	 */
@@ -116,9 +119,9 @@ class ReversedFileReader implements \Iterator
 
 	/**
 	 * Rewind iterator to the first line at the end of file
-	 * 
+	 *
 	 * @see Iterator::rewind()
-	 * @return void 
+	 * @return void
 	 */
 	public function rewind()
 	{
@@ -133,7 +136,7 @@ class ReversedFileReader implements \Iterator
 
 	/**
 	 * Return current line number, starting from zero at the end of file
-	 * 
+	 *
 	 * @see Iterator::key()
 	 * @return int
 	 */
@@ -144,7 +147,7 @@ class ReversedFileReader implements \Iterator
 
 	/**
 	 * Return current line
-	 * 
+	 *
 	 * @see Iterator::current()
 	 * @return string
 	 */
@@ -155,7 +158,7 @@ class ReversedFileReader implements \Iterator
 
 	/**
 	 * Checks if current iterator value is valid, that is, we readed all lines in files
-	 * 
+	 *
 	 * @see Iterator::valid()
 	 * @return bool
 	 */