3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = "b"; echo ++$a  echo "\n" $a = "abc"; echo ++$a  . "\n"; $a = "a4"; echo ++$a . "\n"; $a = "a4b1"; echo ++$a  . "\n";
based on ug20T
Output for 5.4.0 - 5.4.31
Parse error: syntax error, unexpected 'echo' (T_ECHO), expecting ',' or ';' in /in/BUd3U on line 5
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.28
Parse error: syntax error, unexpected T_ECHO, expecting ',' or ';' in /in/BUd3U on line 5
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 T_ECHO, expecting ',' or ';' in /in/BUd3U on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `','' or `';'' in /in/BUd3U on line 5
Process exited with code 255.