3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $obj = (object)array('123a' => '456'); print_r($obj); if (!property_exists($obj,'123a')) echo 'property '123a' does not exist',"\n"; if ( !isset( $obj->{'123a'} ) ) echo 'property 123a is null',"\n";
based on uc3eI
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.4.0 - 5.4.34
Parse error: syntax error, unexpected '123' (T_LNUMBER), expecting ',' or ';' in /in/jXC77 on line 4
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected T_LNUMBER, expecting ',' or ';' in /in/jXC77 on line 4
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_LNUMBER, expecting ',' or ';' in /in/jXC77 on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `','' or `';'' in /in/jXC77 on line 4
Process exited with code 255.