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<?php class A extends ArrayObject { public $public; private $private; protected $protected; public function __construct ($input = array()) { parent::__construct($input, ArrayObject::ARRAY_AS_PROPS); } } class B extends ArrayObject { public $public; private $private; protected $protected; public function __construct ($input = array()) { } } class C extends ArrayObject { public $public; private $private; protected $protected; public function __construct ($input = array()) { parent::__construct($input, ArrayObject::STD_PROP_LIST); } } class D extends ArrayObject { public function __construct ($input = array()) { parent::__construct($input, ArrayObject::STD_PROP_LIST); } } class E extends ArrayObject { public function __construct ($input = array()) { parent::__construct($input, ArrayObject::ARRAY_AS_PROPS); } } $input = array('public' => 'test', 'private' => 'test', 'protected' => 'test'); $os = array( 'a' => new A($input), 'b' => new B($input), 'c' => new C($input), 'd' => new D($input), 'e' => new E($input), ); foreach($os as $n => $o) { echo str_repeat('=', 60), "\n"; echo "$n\n"; var_dump($o); var_dump($o->public); echo "\n"; echo str_repeat('=', 60), "\n"; }
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4, 8.3.6
============================================================ a object(A)#1 (4) { ["public"]=> NULL ["private":"A":private]=> NULL ["protected":protected]=> NULL ["storage":"ArrayObject":private]=> array(3) { ["public"]=> string(4) "test" ["private"]=> string(4) "test" ["protected"]=> string(4) "test" } } NULL ============================================================ ============================================================ b object(B)#2 (4) { ["public"]=> NULL ["private":"B":private]=> NULL ["protected":protected]=> NULL ["storage":"ArrayObject":private]=> array(0) { } } NULL ============================================================ ============================================================ c object(C)#3 (4) { ["public"]=> NULL ["private":"C":private]=> NULL ["protected":protected]=> NULL ["storage":"ArrayObject":private]=> array(3) { ["public"]=> string(4) "test" ["private"]=> string(4) "test" ["protected"]=> string(4) "test" } } NULL ============================================================ ============================================================ d object(D)#4 (1) { ["storage":"ArrayObject":private]=> array(3) { ["public"]=> string(4) "test" ["private"]=> string(4) "test" ["protected"]=> string(4) "test" } } Warning: Undefined property: D::$public in /in/8dsar on line 65 NULL ============================================================ ============================================================ e object(E)#5 (1) { ["storage":"ArrayObject":private]=> array(3) { ["public"]=> string(4) "test" ["private"]=> string(4) "test" ["protected"]=> string(4) "test" } } string(4) "test" ============================================================
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 ============================================================ a object(A)#1 (4) { ["public"]=> NULL ["private":"A":private]=> NULL ["protected":protected]=> NULL ["storage":"ArrayObject":private]=> array(3) { ["public"]=> string(4) "test" ["private"]=> string(4) "test" ["protected"]=> string(4) "test" } } NULL ============================================================ ============================================================ b object(B)#2 (4) { ["public"]=> NULL ["private":"B":private]=> NULL ["protected":protected]=> NULL ["storage":"ArrayObject":private]=> array(0) { } } NULL ============================================================ ============================================================ c object(C)#3 (4) { ["public"]=> NULL ["private":"C":private]=> NULL ["protected":protected]=> NULL ["storage":"ArrayObject":private]=> array(3) { ["public"]=> string(4) "test" ["private"]=> string(4) "test" ["protected"]=> string(4) "test" } } NULL ============================================================ ============================================================ d object(D)#4 (1) { ["storage":"ArrayObject":private]=> array(3) { ["public"]=> string(4) "test" ["private"]=> string(4) "test" ["protected"]=> string(4) "test" } } Warning: Undefined property: D::$public in /in/8dsar on line 65 NULL ============================================================ ============================================================ e object(E)#5 (1) { ["storage":"ArrayObject":private]=> array(3) { ["public"]=> string(4) "test" ["private"]=> string(4) "test" ["protected"]=> string(4) "test" } } string(4) "test" ============================================================
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 - 7.3.31, 7.4.0 - 7.4.33
============================================================ a object(A)#1 (4) { ["public"]=> NULL ["private":"A":private]=> NULL ["protected":protected]=> NULL ["storage":"ArrayObject":private]=> array(3) { ["public"]=> string(4) "test" ["private"]=> string(4) "test" ["protected"]=> string(4) "test" } } NULL ============================================================ ============================================================ b object(B)#2 (4) { ["public"]=> NULL ["private":"B":private]=> NULL ["protected":protected]=> NULL ["storage":"ArrayObject":private]=> array(0) { } } NULL ============================================================ ============================================================ c object(C)#3 (4) { ["public"]=> NULL ["private":"C":private]=> NULL ["protected":protected]=> NULL ["storage":"ArrayObject":private]=> array(3) { ["public"]=> string(4) "test" ["private"]=> string(4) "test" ["protected"]=> string(4) "test" } } NULL ============================================================ ============================================================ d object(D)#4 (1) { ["storage":"ArrayObject":private]=> array(3) { ["public"]=> string(4) "test" ["private"]=> string(4) "test" ["protected"]=> string(4) "test" } } Notice: Undefined property: D::$public in /in/8dsar on line 65 NULL ============================================================ ============================================================ e object(E)#5 (1) { ["storage":"ArrayObject":private]=> array(3) { ["public"]=> string(4) "test" ["private"]=> string(4) "test" ["protected"]=> string(4) "test" } } string(4) "test" ============================================================
Output for 7.3.32 - 7.3.33
============================================================ a object(A)#1 (4) { ["public"]=> NULL ["private":"A":private]=> NULL ["protected":protected]=> NULL ["storage":"ArrayObject":private]=> array(3) { ["public"]=> string(4) "test" ["private"]=> string(4) "test" ["protected"]=> string(4) "test" } } NULL ============================================================ ============================================================ b object(B)#2 (4) { ["public"]=> NULL ["private":"B":private]=> NULL ["protected":protected]=> NULL ["storage":"ArrayObject":private]=> array(0) { } } NULL ============================================================ ============================================================ c object(C)#3 (4) { ["public"]=> NULL ["private":"C":private]=> NULL ["protected":protected]=> NULL ["storage":"ArrayObject":private]=> array(3) { ["public"]=> string(4) "test" ["private"]=> string(4) "test" ["protected"]=> string(4) "test" } } NULL ============================================================ ============================================================ d object(D)#4 (1) { ["storage":"ArrayObject":private]=> array(3) { ["public"]=> string(4) "test" ["private"]=> string(4) "test" ["protected"]=> string(4) "test" } } NULL ============================================================ ============================================================ e object(E)#5 (1) { ["storage":"ArrayObject":private]=> array(3) { ["public"]=> string(4) "test" ["private"]=> string(4) "test" ["protected"]=> string(4) "test" } } string(4) "test" ============================================================
Output for 5.2.6 - 5.2.17
============================================================ a object(A)#1 (3) { ["public"]=> string(4) "test" ["private"]=> string(4) "test" ["protected"]=> string(4) "test" } NULL ============================================================ ============================================================ b object(B)#2 (0) { } NULL ============================================================ ============================================================ c object(C)#3 (3) { ["public"]=> NULL ["private:private"]=> NULL ["protected:protected"]=> NULL } NULL ============================================================ ============================================================ d object(D)#4 (0) { } Notice: Undefined property: D::$public in /in/8dsar on line 65 NULL ============================================================ ============================================================ e object(E)#5 (3) { ["public"]=> string(4) "test" ["private"]=> string(4) "test" ["protected"]=> string(4) "test" } string(4) "test" ============================================================
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.5
============================================================ a object(A)#1 (3) { ["public"]=> string(4) "test" ["private"]=> string(4) "test" ["protected"]=> string(4) "test" } NULL ============================================================ ============================================================ b object(B)#2 (0) { } NULL ============================================================ ============================================================ c object(C)#3 (3) { ["public"]=> NULL ["private:private"]=> NULL ["protected:protected"]=> NULL } NULL ============================================================ ============================================================ d object(D)#4 (0) { } Notice: Undefined property: D::$public in /in/8dsar on line 65 NULL ============================================================ ============================================================ e object(E)#5 (3) { ["public"]=> string(4) "test" ["private"]=> string(4) "test" ["protected"]=> string(4) "test" } string(4) "test" ============================================================
Output for 5.0.0 - 5.0.5
Fatal error: Undefined class constant 'ARRAY_AS_PROPS' in /in/8dsar on line 10
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/8dsar on line 4
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/8dsar 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/8dsar on line 4
Process exited with code 255.

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