3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo base64_encode("<form enctype='multipart/form-data' action='./data.php' method='POST'><input name='file' type='file' /><br /><input type='submit' value='Upload File' /></form>");
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 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 - 5.5.37, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
PGZvcm0gZW5jdHlwZT0nbXVsdGlwYXJ0L2Zvcm0tZGF0YScgYWN0aW9uPScuL2RhdGEucGhwJyBtZXRob2Q9J1BPU1QnPjxpbnB1dCBuYW1lPSdmaWxlJyB0eXBlPSdmaWxlJyAvPjxiciAvPjxpbnB1dCB0eXBlPSdzdWJtaXQnIHZhbHVlPSdVcGxvYWQgRmlsZScgLz48L2Zvcm0+

preferences:
238.07 ms | 406 KiB | 352 Q