3v4l.org

run code in 300+ PHP versions simultaneously
<?php foreach(array(STDIN,STDOUT,STDERR,tmpfile()) as $resource){ var_dump(unserialize(serialize($resource))); }
Output for 5.3.4, 5.5.6, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 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 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0 - 8.5.1
int(0) int(0) int(0) int(0)
Output for 8.4.15
/bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.
Output for 4.3.7 - 4.3.11, 4.4.0, 5.0.0, 5.1.0, 5.2.0
Notice: Use of undefined constant STDIN - assumed 'STDIN' in /in/hcPKv on line 2 Notice: Use of undefined constant STDOUT - assumed 'STDOUT' in /in/hcPKv on line 2 Notice: Use of undefined constant STDERR - assumed 'STDERR' in /in/hcPKv on line 2 string(5) "STDIN" string(6) "STDOUT" string(6) "STDERR" int(0)
preferences:
202.59 ms | 410 KiB | 5 Q