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<?php class A { public $values = [null, null]; public $a; public $b; public function assign(&$a, &$b) { $this->a = &$a; $this->b = &$b; } public function change() { $this->a = 5; $this->b = 'foo'; } } $a = new A(); $unused = &$a->values; $a->assign(...$unused); $a->change(); var_dump($a);
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
object(A)#1 (3) { ["values"]=> &array(2) { [0]=> &int(5) [1]=> &string(3) "foo" } ["a"]=> &int(5) ["b"]=> &string(3) "foo" }
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 object(A)#1 (3) { ["values"]=> &array(2) { [0]=> &int(5) [1]=> &string(3) "foo" } ["a"]=> &int(5) ["b"]=> &string(3) "foo" }

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