Answers for "php comma after string"

foreach comma separated string php

$variable = 'value1, value2, value3, value4, value5';
   $var=explode(',',$variable);
   foreach($var as row)
    {
    //do your code here
    }

in loop how add string by comma in php

//join string values by comma in loop
$string = '';

foreach ($array as $key => $value) {
    $string .= ",$value";
}

$string = substr($string, 1); // remove leading ","
//@sujay