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<?php class my_class { private $data; public $var1; public $var2; public $var3; public function __construct() { $this->data = new stdClass; $this->data->var1 = 'a'; $this->data->var2 = 'b'; $this->data->var3 = 'c'; $this->var1 = &$data->var1; $this->var2 = &$data->var2; $this->var3 = &$data->var3; } } $original = new my_class; $new = clone $original; $new->var3 = 'd'; // Output Should Be "c" echo $original->var3;
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught Error: Attempt to modify property "var1" on null in /in/WfZNA:19 Stack trace: #0 /in/WfZNA(26): my_class->__construct() #1 {main} thrown in /in/WfZNA on line 19
Process exited with code 255.
Output for 7.4.0 - 7.4.33
Warning: Creating default object from empty value in /in/WfZNA on line 19
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, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33
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/WfZNA on line 5
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/WfZNA on line 5
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/WfZNA on line 5
Process exited with code 255.
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