3v4l.org

run code in 300+ PHP versions simultaneously
<?php $handle = fopen(__FILE__, 'r'); var_dump(get_resource_type($handle)); fclose($handle); var_dump(gettype($handle), $handle);
Output for 7.2.0 - 7.2.33, 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
string(6) "stream" string(17) "resource (closed)" resource(5) of type (Unknown)
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, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33
string(6) "stream" string(12) "unknown type" resource(5) of type (Unknown)
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.2
string(6) "stream" string(12) "unknown type" resource(2) of type (Unknown)
Output for 5.0.0 - 5.0.5
string(6) "stream" string(8) "resource" resource(2) of type (Unknown)
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9
string(6) "stream" string(8) "resource" resource(1) of type (Unknown)
preferences:
272.97 ms | 402 KiB | 356 Q