3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class Test { protected $attr = 123; public function attrTest($attr) { return $this->$attr; } } $bla = new Test(); var_dump($bla->attrTest('attr'));
Output for 5.0.0 - 7.1.0
int(123)
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/Vg043 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/Vg043 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/Vg043 on line 5
Process exited with code 255.