PHP array to string comma, convert array element to string php

Example - How to cast array elements to strings in PHP?
<?php
$arrays = array('first name','last name', 'town', 'email', 'phone');
$comma_separated = implode(", ", $arrays);
echo $comma_separated ;
?>

The result:
first name, last name, town, email, phone


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Example - Easy way to turn a CSV file into a parseable array.

<?php
$str= "foo,bar,baz,bat";
$arr= explode(", ", $str);
print_r ($arr) ;
?>

The result:
Array ( [0] => foo [1] => bar [2] => baz [3] => bat )


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