how to remove comma white space during explode and replace?

Question

$data = "google,facebook,youtube,twitter,bing";

$exp = explode(",",$data);

$rep = str_replace("facebook",$exp);
$final = implode(",",$rep);

echo $final

output// google,,youtube,twitter,bing

How can I remove this blank space with comma?

Answer 1

Here's what your code should look like:

$data = "google,facebook,youtube,twitter,bing";
$exp = explode(",",$data);

foreach($exp as $key => $item)
{
   if(trim($item) == "facebook")
   {
       unset($exp[$key]); //Remove from teh array.
   }
}

$final = implode(",",$rep);
echo $final;

or as long as you have no spaces within after your comers you can simply go

$data = str_replace(",facebook,",",",$data);

To many complications using the str_replace, just use the loopy method.

Answer 2

$data = "google,facebook,youtube,twitter,bing";

$exp = explode(',', $data);
$index = array_search('facebook', $exp);
if ($index !== false){
    unset($exp[$index]);
}

$final = implode(',', $exp);

http://php.net/array-search

Answer 3

You can remove empty elements from an array using array_filter($data):

$data = str_replace("facebook", "", "google,facebook,youtube,twitter,bing");

$exp = array_filter(explode(",",$data));

$final = implode(",",$rep);

echo $final;

http://php.net/manual/en/function.array-filter.php

"If no callback is supplied, all entries of input equal to FALSE (see converting to boolean) will be removed."

Is that what you're looking for?

Answer 4

There are many ways to do this but perhaps the simplest is just:

$data = str_replace(',,', ',', $data);