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<?php function createReferenceInArray(): array { $foo = 'foo'; $result = ['foo' => &$foo]; debug_zval_dump($result); return $result; } $result = createReferenceInArray(); debug_zval_dump($result);
Output for git.master, rfc.property-hooks
array(1) refcount(2){ ["foo"]=> reference refcount(2) { string(3) "foo" interned } } array(1) refcount(2){ ["foo"]=> reference refcount(1) { string(3) "foo" interned } }
Output for git.master_jit
array(1) refcount(2){ ["foo"]=> reference refcount(2) { string(3) "foo" refcount(2) } } array(1) refcount(2){ ["foo"]=> reference refcount(1) { string(3) "foo" refcount(2) } }

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