3v4l.org

run code in 200+ PHP versions simultaneously
<?php $fh = fopen('/dev/urandom', 'r'); print_r($fh); echo "\n"; var_export($fh); echo "\n"; var_dump($fh); echo "\n"; printf( '%s of type "%s"', print_r($fh, true), get_resource_type($fh) );
Output for 7.3.0 - 7.4.1
Warning: fopen(): open_basedir restriction in effect. File(/dev/urandom) is not within the allowed path(s): (/tmp:/in:/etc) in /in/5rmHr on line 3 Warning: fopen(/dev/urandom): failed to open stream: Operation not permitted in /in/5rmHr on line 3 false bool(false) Warning: get_resource_type() expects parameter 1 to be resource, bool given in /in/5rmHr on line 13 of type ""
Output for 5.5.0 - 5.6.40, 7.0.19 - 7.0.33, 7.1.5 - 7.2.26
Warning: fopen(): open_basedir restriction in effect. File(/dev/urandom) is not within the allowed path(s): (/tmp:/in:/etc) in /in/5rmHr on line 3 Warning: fopen(/dev/urandom): failed to open stream: Operation not permitted in /in/5rmHr on line 3 false bool(false) Warning: get_resource_type() expects parameter 1 to be resource, boolean given in /in/5rmHr on line 13 of type ""
Output for 7.0.0 - 7.0.18, 7.1.0 - 7.1.4
Warning: fopen(): open_basedir restriction in effect. File(/dev/urandom) is not within the allowed path(s): (/tmp:/in:/etc) in /in/5rmHr on line 3 Warning: fopen(/dev/urandom): failed to open stream: Operation not permitted in /in/5rmHr on line 3 false bool(false) Warning: get_resource_type() expects parameter 1 to be resource, boolean given in /in/5rmHr on line 12 of type ""
Output for 5.2.3 - 5.4.45
Resource id #5 NULL resource(5) of type (stream) Resource id #5 of type "stream"
Output for 5.0.0 - 5.2.2
Resource id #2 NULL resource(2) of type (stream) Resource id #2 of type "stream"
Output for 4.3.0 - 4.4.9
Resource id #1 NULL resource(1) of type (stream) Resource id #1 of type "stream"