convert array into , separated string in php code example

Example 1: how to convert array to string with commas in php

$string = implode(', ', $tags);

Example 2: how to convert array to string with commas in php

$tags = implode(', ', array('tag1','tag2','tag3','tag4'));

Example 3: convert array into , separated string in php

$tags = implode(', ', array('tag1','tag2','tag3','tag4'));