implode - Imploding in PHP -

implode - Imploding in PHP -

i have array having various numbers:

$array = [1,2,3,4];

i have code extract values , prepend 'ad' them while imploding html attribute:

<div class="ad1 ad2 ad3">

how can that?

loop on array, , whatever have to:

foreach ($array $item) { ... }

in exemple:

$classname = ""; foreach ($array $item) { $classname .= "ad".$item." "; } echo '<div class="'.$classname.'">';

php implode