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<?php class A { function __construct() { $this->foo = new B; } } class B { static $c = 0; function construct() { $this->i = ++self::$c; } } $a = new A; $b = clone $a; var_dump($a, $b);
Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Deprecated: Creation of dynamic property A::$foo is deprecated in /in/td638 on line 5 object(A)#1 (1) { ["foo"]=> object(B)#2 (0) { } } object(A)#3 (1) { ["foo"]=> object(B)#2 (0) { } }
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 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
object(A)#1 (1) { ["foo"]=> object(B)#2 (0) { } } object(A)#3 (1) { ["foo"]=> object(B)#2 (0) { } }
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STATIC, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/td638 on line 10
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_STATIC, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/td638 on line 10
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/td638 on line 10
Process exited with code 255.

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