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run code in 200+ php & hhvm versions
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<?php class TestClass { public $prop2 = "test"; } class TestClass2 { public $prop; public function __construct() { $this->prop = new TestClass(); } } function deepProperty($obj,$property,$value = null) { $curObj = &$obj; $properties = explode('.',$property); while(count($properties) > 2) $curObj = &$curObj->{array_unshift($properties)}; if ($value != null) $curObj->{$properties[0]} = $value; var_dump($curObj,$properties); return $curObj->{$properties[0]}; } $object = new TestClass2(); echo deepProperty($object,"prop.prop2");
based on OsYRQ
Output for 7.1.0 - 7.2.0
object(TestClass2)#1 (1) { ["prop"]=> object(TestClass)#2 (1) { ["prop2"]=> string(4) "test" } } array(2) { [0]=> string(4) "prop" [1]=> string(5) "prop2" } Recoverable fatal error: Object of class TestClass could not be converted to string in /in/EGWrb on line 29
Process exited with code 255.
Output for 5.2.0 - 7.0.20
object(TestClass2)#1 (1) { ["prop"]=> object(TestClass)#2 (1) { ["prop2"]=> string(4) "test" } } array(2) { [0]=> string(4) "prop" [1]=> string(5) "prop2" } Catchable fatal error: Object of class TestClass could not be converted to string in /in/EGWrb on line 29
Process exited with code 255.
Output for 5.0.0 - 5.1.6
object(TestClass2)#1 (1) { ["prop"]=> object(TestClass)#2 (1) { ["prop2"]=> string(4) "test" } } array(2) { [0]=> string(4) "prop" [1]=> string(5) "prop2" } Object id #2
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/EGWrb 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/EGWrb 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/EGWrb on line 4
Process exited with code 255.