3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $obj = new stdClass; $obj->{'123'} = '456'; print_r($obj); echo $obj->{'123'},"\n"; echo $obj->{123},"\n"; $obj->{'a123'} = $obj->{'123'}; print_r($obj); echo $obj->a123,"\n";
based on KEJdb
Output for 5.0.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
stdClass Object ( [123] => 456 ) 456 456 stdClass Object ( [123] => 456 [a123] => 456 ) 456
Output for 4.3.3 - 4.4.9
Fatal error: Property name must be a string in /in/ukd8b on line 6
Process exited with code 255.
Output for 4.3.0 - 4.3.2
stdClass Object ( [123] => 456 ) 456
Process exited with code 139.