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<?php class Foo { protected $bar; public function __construct(Bar $bar) { $this->bar = $bar; } public function __get($key) { $exploded = explode('.', $key); $item = $this; do { $next = array_shift($exploded); var_dump($item, $next); if (!property_exists($item, $next)) { return null; } $item = $item->{$next}; } while ($exploded); return $item; } } class Bar { public $foo = 'test'; } $foo = new Foo(new Bar); var_dump($foo->{"bar.foo"});
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
object(Foo)#1 (1) { ["bar":protected]=> object(Bar)#2 (1) { ["foo"]=> string(4) "test" } } string(3) "bar" object(Bar)#2 (1) { ["foo"]=> string(4) "test" } string(3) "foo" string(4) "test"
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
object(Foo)#1 (1) { ["bar:protected"]=> object(Bar)#2 (1) { ["foo"]=> string(4) "test" } } string(3) "bar" object(Bar)#2 (1) { ["foo"]=> string(4) "test" } string(3) "foo" string(4) "test"
Output for 5.0.0 - 5.0.5
object(Foo)#1 (1) { ["bar:protected"]=> object(Bar)#2 (1) { ["foo"]=> string(4) "test" } } string(3) "bar" Fatal error: Call to undefined function property_exists() in /in/86rYI on line 22
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/86rYI on line 6
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/86rYI on line 6
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/86rYI on line 6
Process exited with code 255.
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