3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php interface Foo {} class Bar {} $bar = new Bar(); var_dump(is_a($bar), 'Foo');
Output for 5.3.9 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Warning: is_a() expects at least 2 parameters, 1 given in /in/FF1Kl on line 7 NULL string(3) "Foo"
Output for 5.3.0 - 5.3.8
Warning: is_a() expects exactly 2 parameters, 1 given in /in/FF1Kl on line 7 NULL string(3) "Foo"
Output for 5.2.3 - 5.2.17
Warning: Wrong parameter count for is_a() in /in/FF1Kl on line 7 NULL string(3) "Foo"
Output for 5.0.0 - 5.2.2
<br /> <b>Warning</b>: Wrong parameter count for is_a() in <b>/in/FF1Kl</b> on line <b>7</b><br /> NULL string(3) "Foo"
Output for 4.4.2 - 4.4.9
<br /> <b>Parse error</b>: syntax error, unexpected T_STRING in <b>/in/FF1Kl</b> on line <b>2</b><br />
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
<br /> <b>Parse error</b>: parse error, unexpected T_STRING in <b>/in/FF1Kl</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/FF1Kl</b> on line <b>2</b><br />
Process exited with code 255.