<?php
$names = [
"Ayush" , "Vaibhav", "Shivam",
"Hacker", "Topper", "ABCD",
"NameR", "Tammi", "Colgate",
"Britney"//, "Bra"//, "Kisser"
];
$addThis = 'ADDTHIS';
$every = 3;
for (
$count = count($names), $pos = $count - ($count % $every);
$pos > 0;
$pos -= $every
) {
array_splice($names, $pos, 0, $addThis);
}
var_export($names);
preferences:
23.95 ms | 405 KiB | 5 Q