3v4l.org

run code in 300+ PHP versions simultaneously
<?php $resource = fopen('php://input', 'r'); var_dump((string)$resource, gettype($resource)); fclose($resource); var_dump((string)$resource, gettype($resource));
Output for 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 - 8.2.18, 8.3.0 - 8.3.6
string(14) "Resource id #7" string(8) "resource" string(14) "Resource id #7" string(17) "resource (closed)"
Output for 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20
string(14) "Resource id #7" string(8) "resource" string(14) "Resource id #7" string(12) "unknown type"
Output for 5.2.3 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35
string(14) "Resource id #5" string(8) "resource" string(14) "Resource id #5" string(12) "unknown type"
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.2
string(14) "Resource id #2" string(8) "resource" string(14) "Resource id #2" string(12) "unknown type"
Output for 5.0.0 - 5.0.5
string(14) "Resource id #2" string(8) "resource" string(14) "Resource id #2" string(8) "resource"
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9
string(14) "Resource id #1" string(8) "resource" string(14) "Resource id #1" string(8) "resource"

preferences:
250.3 ms | 402 KiB | 314 Q