3v4l.org

run code in 300+ PHP versions simultaneously
<?php class foobar {} $foo='foo'; $bar='bar'; new ($foo . $bar);
Output for 8.1.23 - 8.1.27, 8.2.10 - 8.2.17, 8.3.0 - 8.3.4
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.32
Parse error: syntax error, unexpected '(' in /in/Ccq0s on line 4
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected '(', expecting T_STRING or T_VARIABLE or '$' in /in/Ccq0s on line 4
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
Parse error: parse error, unexpected '(', expecting T_STRING or T_VARIABLE or '$' in /in/Ccq0s on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_STRING' or `T_VARIABLE' or `'$'' in /in/Ccq0s on line 4
Process exited with code 255.

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