3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = 'a' $result = ''; for ($i = 0; $i < 5; $i++) { $a++; $result += $a; } echo $result;
Output for 5.4.0 - 5.4.24
Parse error: syntax error, unexpected '$result' (T_VARIABLE) in /in/O2YG4 on line 3
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected T_VARIABLE in /in/O2YG4 on line 3
Process exited with code 255.