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<?php function func(&$data) { foreach ($data as $key => $value) { if (is_array($value)) { func($data[$key]); } } } $data = [ ['zero' => [0]], ['one' => [1]], ]; debug_zval_dump($data[1]['one']); //refcount=2 func($data); debug_zval_dump($data[1]['one']); //refcount=3
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 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 - 8.3.6
array(1) refcount(2){ [0]=> int(1) } array(1) refcount(3){ [0]=> int(1) }
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
array(1) refcount(2){ [0]=> long(1) refcount(1) } array(1) refcount(2){ [0]=> long(1) refcount(1) }
preferences:
156.16 ms | 402 KiB | 182 Q