Patch moved to the AbstractCsv::chunk method

src/AbstractCsv.php

@@ -262,6 +262,7 @@ public function chunk(int $length): Generator
 
         $input_bom = $this->getInputBOM();
         $this->document->rewind();
+        $this->document->setFlags(0);
         $this->document->fseek(strlen($input_bom));
         foreach (str_split($this->output_bom.$this->document->fread($length), $length) as $chunk) {
             yield $chunk;
@@ -311,7 +312,6 @@ public function output(string $filename = null): int
         }
         $input_bom = $this->getInputBOM();
         $this->document->rewind();
-        $this->document->setFlags(0);
         $this->document->fseek(strlen($input_bom));
         echo $this->output_bom;
 

tests/CsvTest.php

@@ -172,6 +172,18 @@ public function testOutputHeaders()
         self::assertContains('Content-Disposition: attachment; filename="tst.csv"; filename*=utf-8\'\'t%C3%A9st.csv', $headers[3]);
     }
 
+    /**
+     * @covers ::chunk
+     * @covers ::getContent
+     */
+    public function testChunkDoesNotTimeoutAfterReading()
+    {
+        $raw_csv = "john,doe,[email protected]\njane,doe,[email protected]\n";
+        $csv = Reader::createFromString($raw_csv);
+        iterator_to_array($csv->getRecords());
+        self::assertSame($raw_csv, $csv->getContent());
+    }
+
     /**
      * @covers ::__toString
      * @covers ::getContent