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<?php $array1 =[ ["id"=> "1", "uid"=>'123', "status"=>'0'], ["id"=> "2", "uid"=>'321', "status"=>'1'] ]; $array2 =[ ["uid"=> "123", "name"=>'张三'], ["uid"=> "321", "name"=>'李四'] ]; $array2 = array_column($array2, 'name', 'uid'); foreach($array1 as &$arr) $arr['uid'] = $array2[$arr['uid']]; var_dump($array1); $arr = array( '0'=>array('1','2'), '1'=>array('2','3'), '2'=>array('3','4'), '3'=>array('4','5'), '4'=>array('5','6'), ); echo '<pre>'; $res = array(); array_walk($arr, function($item, $key) use (&$res) {$res = array_merge($res, $item);}); print_r($arr);
based on u8QZP
Output for 5.5.24 - 7.2.0
array(2) { [0]=> array(3) { ["id"]=> string(1) "1" ["uid"]=> string(6) "张三" ["status"]=> string(1) "0" } [1]=> &array(3) { ["id"]=> string(1) "2" ["uid"]=> string(6) "李四" ["status"]=> string(1) "1" } } <pre>Array ( [0] => Array ( [0] => 1 [1] => 2 ) [1] => Array ( [0] => 2 [1] => 3 ) [2] => Array ( [0] => 3 [1] => 4 ) [3] => Array ( [0] => 4 [1] => 5 ) [4] => Array ( [0] => 5 [1] => 6 ) )
Output for 5.4.0 - 5.4.45
Fatal error: Call to undefined function array_column() in /in/Q9pKV on line 22
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/Q9pKV on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/Q9pKV on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/Q9pKV on line 3
Process exited with code 255.