3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $i = 1; $+=2; echo $i;
Output for 5.4.0 - 5.4.12, 5.4.14
Parse error: syntax error, unexpected '+=' (T_PLUS_EQUAL), expecting variable (T_VARIABLE) or '$' in gRBRs on line 2
Process exited with code 255.
Output for 5.4.13
Parse error: syntax error, unexpected '+=' (T_PLUS_EQUAL), expecting variable (T_VARIABLE) or '$' in /in/EMfrK on line 2
Process exited with code 255.
Output for 5.3.0 - 5.3.22, 5.3.24
Parse error: syntax error, unexpected T_PLUS_EQUAL, expecting T_VARIABLE or '$' in gRBRs on line 2
Process exited with code 255.
Output for 5.3.23
Parse error: syntax error, unexpected T_PLUS_EQUAL, expecting T_VARIABLE or '$' in /in/EMfrK on line 2
Process exited with code 255.