3v4l.org

run code in 500+ PHP versions simultaneously
<?php $file = fopen("php://input", "rb"); var_dump(feof($file)); // bool(false) var_dump(fread($file, 4096)); // string(0) ""
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.34, 8.3.0 - 8.3.35, 8.4.1 - 8.4.26, 8.5.0 - 8.5.11
bool(false) string(0) ""
preferences:
31 ms | 1137 KiB | 7 Q