3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $m1=10; $m2=20; for($i=1; $i<3; $i++){ echo $"m$i" . "\n"; } ?>
based on qstg7
Output for 5.4.0 - 5.4.32
Parse error: syntax error, unexpected '"', expecting variable (T_VARIABLE) or '$' in /in/4mZ8M on line 7
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '"', expecting T_VARIABLE or '$' in /in/4mZ8M on line 7
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 '\"', expecting T_VARIABLE or '$' in /in/4mZ8M on line 7
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_VARIABLE' or `'$'' in /in/4mZ8M on line 7
Process exited with code 255.