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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
based on forsK
Output for 7.0.0 - 7.2.0
array(1) refcount(2){ [0]=> int(1) } array(1) refcount(3){ [0]=> int(1) }
Output for 5.4.11 - 5.6.28
array(1) refcount(2){ [0]=> long(1) refcount(1) } array(1) refcount(2){ [0]=> long(1) refcount(1) }
Output for 5.3.21 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/jGYIF on line 11
Process exited with code 255.