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run code in 150+ php & hhvm versions
Bugs & Features
<?php class Obj { public $values = []; public function __set($name, $value) { $this->values[$name] = $value; } } class Arr implements ArrayAccess { public $values = []; public function offsetSet($name, $value) { $this->values[$name] = $value; } public function offsetGet($name) {} public function offsetExists($name) {} public function offsetUnset($name) {} } $str = 'ab'; list($str[0], $str[1]) = ['x', 'y']; var_dump($str); $obj = new Obj; list($obj->foo, $obj->bar) = ['foo', 'bar']; var_dump($obj->values); $arr = new Arr; list($arr['foo'], $arr['bar']) = ['foo', 'bar']; var_dump($arr->values);
Output for 7.0.0 - 7.1.0
string(2) "xy" array(2) { ["foo"]=> string(3) "foo" ["bar"]=> string(3) "bar" } array(2) { ["foo"]=> string(3) "foo" ["bar"]=> string(3) "bar" }
Output for 5.4.0 - 5.6.21
string(2) "xy" array(2) { ["bar"]=> string(3) "bar" ["foo"]=> string(3) "foo" } array(2) { ["bar"]=> string(3) "bar" ["foo"]=> string(3) "foo" }
Output for 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/sqXmT on line 4
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/sqXmT 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/sqXmT 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/sqXmT 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/sqXmT on line 4
Process exited with code 255.