3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump( ['attemptnumber'] );
Output for 5.4.0 - 7.1.0
array(1) { [0]=> string(13) "attemptnumber" }
Output for 5.2.3 - 5.3.29
Parse error: syntax error, unexpected '[', expecting ')' in /in/0AUTc on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.2
<br /> <b>Parse error</b>: syntax error, unexpected '[', expecting ')' in <b>/in/0AUTc</b> on line <b>3</b><br />
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
<br /> <b>Parse error</b>: parse error, unexpected '[', expecting ')' in <b>/in/0AUTc</b> on line <b>3</b><br />
Process exited with code 255.
Output for 4.3.2 - 4.3.4
<br /> <b>Parse error</b>: parse error, expecting `')'' in <b>/in/0AUTc</b> on line <b>3</b><br />
Process exited with code 255.