3v4l.org

run code in 300+ PHP versions simultaneously
<?php $tempName = tempnam(sys_get_temp_dir(), 'test'); $handle = fopen($tempName, 'w'); $line = fgets($handle); fclose($handle);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
Notice: fgets(): Read of 8192 bytes failed with errno=9 Bad file descriptor in /in/TR1Bk on line 7
Output for 7.4.0 - 7.4.33
Notice: fgets(): read of 8192 bytes failed with errno=9 Bad file descriptor in /in/TR1Bk on line 7
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33
preferences:
139.36 ms | 409 KiB | 5 Q