3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = 1; $arr = array('1' => 'hello'); echo [$a];
Output for 5.5.0 - 7.1.0
Notice: Array to string conversion in /in/AKR0K on line 4 Array
Output for 5.4.0 - 5.4.45
Array
Output for 5.2.3 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/AKR0K on line 4
Process exited with code 255.
Output for 5.1.0 - 5.2.2
<br /> <b>Parse error</b>: syntax error, unexpected '[' in <b>/in/AKR0K</b> on line <b>4</b><br />
Process exited with code 255.
Output for 5.0.0 - 5.0.5
<br /> <b>Parse error</b>: parse error, unexpected '[' in <b>/in/AKR0K</b> on line <b>4</b><br />
Process exited with code 255.
Output for 4.4.2 - 4.4.9
<br /> <b>Parse error</b>: syntax error, unexpected '[', expecting ',' or ';' in <b>/in/AKR0K</b> on line <b>4</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 '[', expecting ',' or ';' in <b>/in/AKR0K</b> on line <b>4</b><br />
Process exited with code 255.
Output for 4.3.2 - 4.3.4
<br /> <b>Parse error</b>: parse error, expecting `','' or `';'' in <b>/in/AKR0K</b> on line <b>4</b><br />
Process exited with code 255.