3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php class Data { public $foo = 'bar'; public function wtf() { unset($this->foo); } } $d = new Data; echo $d->foo; var_dump('foo exists', isset($d->foo)); $d->wtf(); echo $d->foo; var_dump('foo exists', isset($d->foo));
Output for 5.2.6 - 7.2.0
barstring(10) "foo exists" bool(true) Notice: Undefined property: Data::$foo in /in/iYdvM on line 18 string(10) "foo exists" bool(false)
Output for 5.0.0 - 5.2.5
barstring(10) "foo exists" bool(true) Notice: Undefined property: Data::$foo in /in/iYdvM on line 18 string(10) "foo exists" bool(false)
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/iYdvM on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/iYdvM on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/iYdvM on line 5
Process exited with code 255.