3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace foo { class Bar { static protected $baz = array(PDO::PARAM_INT); } } namespace qux { new \foo\Bar(); }
Output for 8.3.0 - 8.3.7
Fatal error: Uncaught Error: Class "foo\PDO" not found in /in/MJLKQ:4 Stack trace: #0 /in/MJLKQ(9): [constant expression]() #1 {main} thrown in /in/MJLKQ on line 4
Process exited with code 255.
Output for 8.2.0 - 8.2.18
Fatal error: Uncaught Error: Class "foo\PDO" not found in /in/MJLKQ:4 Stack trace: #0 {main} thrown in /in/MJLKQ on line 4
Process exited with code 255.
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28
Fatal error: Uncaught Error: Class "foo\PDO" not found in /in/MJLKQ:9 Stack trace: #0 {main} thrown in /in/MJLKQ on line 9
Process exited with code 255.
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Fatal error: Uncaught Error: Class 'foo\PDO' not found in /in/MJLKQ:9 Stack trace: #0 {main} thrown in /in/MJLKQ on line 9
Process exited with code 255.
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.35, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.5 - 7.2.33
Fatal error: Class 'foo\PDO' not found in /in/MJLKQ on line 9
Process exited with code 255.
Output for 5.2.3 - 5.2.17
Parse error: syntax error, unexpected T_STRING in /in/MJLKQ on line 2
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.2
<br /> <b>Parse error</b>: syntax error, unexpected T_STRING in <b>/in/MJLKQ</b> on line <b>2</b><br />
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
<br /> <b>Parse error</b>: parse error, unexpected T_STRING in <b>/in/MJLKQ</b> on line <b>2</b><br />
Process exited with code 255.
Output for 4.3.2 - 4.3.4
<br /> <b>Parse error</b>: parse error in <b>/in/MJLKQ</b> on line <b>2</b><br />
Process exited with code 255.

preferences:
224.45 ms | 401 KiB | 374 Q