3v4l.org

run code in 300+ PHP versions simultaneously
<?php $fh = tmpfile(); fwrite($fh, "1\r\n2\r\n3\r\n4"); fseek($fh, 0); $i = 0; while($f = fgetcsv($fh)) { $i++; echo $i; echo " - "; echo count($f); echo "\n"; }

preferences:
42.81 ms | 402 KiB | 5 Q