Fix cols() ignoring some columns, was an exception in PHP 8

2 files changed, 3 insertions, 1 deletions

diff --git a/it_pipe.class b/it_pipe.class
index 2fe93db..94801c3 100644
--- a/it_pipe.class
+++ b/it_pipe.class
@@ -182,7 +182,7 @@ function cols($collist, $separator = "\t")
 			$this->lines[$idx] = (object)array_combine($keys, $arr);
 		else
 		{
-			unset($this->lines[$idx]);
+			$this->lines[$idx] = (object)[];
 			foreach ($keys as $i => $key)
 				$this->lines[$idx]->$key = $arr[$i];
 		}
diff --git a/test/it_pipe.t b/test/it_pipe.t
index 16e2c29..a3cebd6 100755
--- a/test/it_pipe.t
+++ b/test/it_pipe.t
@@ -10,6 +10,8 @@ is(json_encode((new it_pipe(['data' => ["a\tb", "1\t2"]]))->csv("c,d")), '[{"c":
 is(json_encode((new it_pipe(['data' => ["a\tb", "1\t2"]]))->csv(['forceschema' => "c,d"])),  '[{"c":"1","d":"2"}]');
 is(json_encode((new it_pipe(['data' => ["a b\tb", "1\t2"]]))->csv(['fixcolnames' => true])), '[{"a_b":"1","b":"2"}]');
 
+is(iterator_to_array((new it_pipe(['data' => ["a b\tb", "1\t2"]]))->cols('c')), [(object)['c' => 'a b'], (object)['c' => '1']], "cols() ignoring some columns");
+
 # askey()
 is(json_encode((new it_pipe(['data' => "a\nb\n"]))->askey()), '{"a":true,"b":true}');