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<?php function anon() { static $i = 0; return eval(sprintf('return new class { private $prop%s; };', ++$i)); } var_dump(anon()); var_dump(anon());
Output for git.master, git.master_jit, rfc.property-hooks
object(class@anonymous)#1 (1) { ["prop1":"class@anonymous":private]=> NULL } object(class@anonymous)#1 (1) { ["prop2":"class@anonymous":private]=> NULL }

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