3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $test = []; $test[] = 1; $test[] = 2; echo $test.join(', ');
Output for 5.4.0 - 7.1.0
Warning: join(): Argument must be an array in /in/j1tZ6 on line 5 Notice: Array to string conversion in /in/j1tZ6 on line 5 Array
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/j1tZ6 on line 2
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
Parse error: parse error, unexpected '[' in /in/j1tZ6 on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/j1tZ6 on line 2
Process exited with code 255.