3v4l.org

run code in 300+ PHP versions simultaneously
<?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, $item);}); print_r($res);
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 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 - 8.3.4, 8.3.6
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] => 1 [1] => 2 [2] => 2 [3] => 3 [4] => 3 [5] => 4 [6] => 4 [7] => 5 [8] => 5 [9] => 6 )
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 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] => 1 [1] => 2 [2] => 2 [3] => 3 [4] => 3 [5] => 4 [6] => 4 [7] => 5 [8] => 5 [9] => 6 )
Output for 5.4.0 - 5.4.45
Fatal error: Call to undefined function array_column() in /in/NsqMu on line 22
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/NsqMu on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/NsqMu on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/NsqMu on line 3
Process exited with code 255.

preferences:
327.74 ms | 401 KiB | 422 Q