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<?php class foo { private $bar; private $baz; public function setBar($value) { $foo = new static; $foo->baz = $this->baz; $foo->bar = $value; return $foo; } public function setBaz($value) { $foo = new static; $foo->bar = $this->bar; $foo->baz = $value; return $foo; } } $f = new Foo(); $g = $f->setBar('123'); $h = $g->setBaz('456'); var_dump($f, $g, $h);
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.35, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.6 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
object(foo)#1 (2) { ["bar":"foo":private]=> NULL ["baz":"foo":private]=> NULL } object(foo)#2 (2) { ["bar":"foo":private]=> string(3) "123" ["baz":"foo":private]=> NULL } object(foo)#3 (2) { ["bar":"foo":private]=> string(3) "123" ["baz":"foo":private]=> string(3) "456" }
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_STATIC, expecting T_STRING or T_VARIABLE or '$' in /in/tLMpT on line 6
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_STATIC, expecting T_STRING or T_VARIABLE or '$' in /in/tLMpT on line 6
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/tLMpT on line 3
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/tLMpT on line 3
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/tLMpT on line 3
Process exited with code 255.

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