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<?php class A { public stdClass $prop; public function __set($x, $y) { echo "SET\n"; $this->$x = $y; } } $a = new A(); $a->prop = new stdClass; var_dump($a); $a->undeclared = new stdClass; var_dump($a); $a->prop = new stdClass; var_dump($a);
Output for 8.2.0 - 8.2.29, 8.3.0 - 8.3.26, 8.4.1 - 8.4.13
object(A)#1 (1) { ["prop"]=> object(stdClass)#2 (0) { } } SET Deprecated: Creation of dynamic property A::$undeclared is deprecated in /in/3Be7f on line 9 object(A)#1 (2) { ["prop"]=> object(stdClass)#2 (0) { } ["undeclared"]=> object(stdClass)#3 (0) { } } object(A)#1 (2) { ["prop"]=> object(stdClass)#4 (0) { } ["undeclared"]=> object(stdClass)#3 (0) { } }
Output for 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33
object(A)#1 (1) { ["prop"]=> object(stdClass)#2 (0) { } } SET object(A)#1 (2) { ["prop"]=> object(stdClass)#2 (0) { } ["undeclared"]=> object(stdClass)#3 (0) { } } object(A)#1 (2) { ["prop"]=> object(stdClass)#4 (0) { } ["undeclared"]=> object(stdClass)#3 (0) { } }
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33
Parse error: syntax error, unexpected 'stdClass' (T_STRING), expecting function (T_FUNCTION) or const (T_CONST) in /in/3Be7f on line 4
Process exited with code 255.
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