3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $obj = (object)array('123' => '456'); $obj->a = 1; print_r($obj); echo $obj->{'123'},"\n"; echo $obj->{123},"\n"; echo property_exists(get_class($obj), ${'123'})? 'true':'false'; echo property_exists(get_class($obj), $a)? 'true':'false';
based on hh1EZ
Output for 5.2.6 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
stdClass Object ( [123] => 456 [a] => 1 ) Notice: Undefined property: stdClass::$123 in /in/I5GgM on line 6 Notice: Undefined property: stdClass::$123 in /in/I5GgM on line 7 Notice: Undefined variable: 123 in /in/I5GgM on line 8 false Notice: Undefined variable: a in /in/I5GgM on line 9 false
Output for 5.1.0 - 5.2.5
stdClass Object ( [123] => 456 [a] => 1 ) Notice: Undefined property: stdClass::$123 in /in/I5GgM on line 6 Notice: Undefined property: stdClass::$123 in /in/I5GgM on line 7 Notice: Undefined variable: 123 in /in/I5GgM on line 8 false Notice: Undefined variable: a in /in/I5GgM on line 9 false
Output for 5.0.0 - 5.0.5
stdClass Object ( [123] => 456 [a] => 1 ) Notice: Undefined property: stdClass::$123 in /in/I5GgM on line 6 Notice: Undefined property: stdClass::$123 in /in/I5GgM on line 7 Fatal error: Call to undefined function property_exists() in /in/I5GgM on line 8
Process exited with code 255.
Output for 4.3.3 - 4.4.9
Fatal error: Property name must be a string in /in/I5GgM on line 7
Process exited with code 255.
Output for 4.3.0 - 4.3.2
stdClass Object ( [123] => 456 [a] => 1 ) 456
Process exited with code 139.