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@ 2023-04-01T23:16:44Z

<?php

 $i=10000;

 $as=[];
 $time_a=microtime(true);
 for($z=0;$z<$i;$z++){
  $as[] = [0,1,2,3,4,5,6,7,8,9];
 }
 $a = array_merge(...$as);
 $time_a=microtime(true)-$time_a;
 
  print($time_a.' sec');

Output
Performance
VLD
References
Branches

microtime: documentation ( source)
array_merge: documentation ( source)

preferences:dark modelive previewkey bindings

25.25 ms | 405 KiB | 5 Q