The below program is to combine the array elements into a string with given delimiter using PHP join() function. The PHP echo statement is used to output the result on the screen. An array is a single variable which can store multiple values at a time. The PHP join() function is used to get a string by joining the elements of an array.
join() function in php
$arr = array("This", “is”, "good", "website.");
echo join(" ",$arr);
This is good website.