<?php
$x = array("a", "b", "c", "d", "e");
$x = array_reduce($x, function($arr, $val) {
array_push($arr, $val, $val);
return $arr;
}, []);
var_dump($x);
- Output for 7.1.0 - 7.1.33, 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 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
- array(10) {
[0]=>
string(1) "a"
[1]=>
string(1) "a"
[2]=>
string(1) "b"
[3]=>
string(1) "b"
[4]=>
string(1) "c"
[5]=>
string(1) "c"
[6]=>
string(1) "d"
[7]=>
string(1) "d"
[8]=>
string(1) "e"
[9]=>
string(1) "e"
}
preferences:
54.72 ms | 408 KiB | 5 Q