3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php class foo { public $value = []; public function &getValue() { return $this->value; } } $obj = new foo; $myValue = &$obj->getValue(); // $myValue is a reference to $obj->value, which is 42. $myValue[] = 123; var_dump($obj->value);
Output for 5.4.0 - 7.2.0
array(1) { [0]=> int(123) }
Output for 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/3Cjm6 on line 4
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/3Cjm6 on line 4
Process exited with code 255.
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/3Cjm6 on line 4
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/3Cjm6 on line 4
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/3Cjm6 on line 4
Process exited with code 255.