3v4l.org

run code in 300+ PHP versions simultaneously
<?php $handle = fopen('/tmp/file', 'w+'); // truncate + attempt to create fwrite($handle, '12345'); // file position > 0 rewind($handle); // position = 0 $content = stream_get_contents($handle); // file position = 0 in PHP 5.1.6, file position > 0 in PHP 5.2.17! fwrite($handle, '6789'); fclose($handle); echo $content;
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
12345
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: stream_get_contents() in /in/OQdDa on line 6
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4
Fatal error: Call to undefined function: stream_get_contents() in /in/OQdDa on line 6
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: stream_get_contents() in /in/OQdDa on line 6

preferences:
344.76 ms | 401 KiB | 468 Q