3v4l.org

run code in 300+ PHP versions simultaneously
<?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);

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