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<?php function f() {static $x = array(0=>2, 4=>array(9=>array(2))); $x[0]++; return $x;} print_r(f());
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [0] => 3 [4] => Array ( [9] => Array ( [0] => 2 ) ) )

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