3v4l.org

run code in 300+ PHP versions simultaneously
<?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"; echo $obj->{'123a'}; echo $obj->123a;
Output for 5.4.0 - 5.4.34
Parse error: syntax error, unexpected '123' (T_LNUMBER), expecting identifier (T_STRING) or variable (T_VARIABLE) or '{' or '$' in /in/W3hDl on line 7
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_LNUMBER, expecting T_STRING or T_VARIABLE or '{' or '$' in /in/W3hDl on line 7
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_LNUMBER, expecting T_STRING or T_VARIABLE or '{' or '$' in /in/W3hDl on line 7
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_STRING' or `T_VARIABLE' or `'{'' or `'$'' in /in/W3hDl on line 7
Process exited with code 255.

preferences:
215.97 ms | 1395 KiB | 124 Q