How to avoid an action in the last cycle of a foreach loop?

[etrader]

I use foreach to echo a list of tags come out of an array as

foreach ($array as $tag) {
echo "$tag,";
}

This produces "tag1,tag2,tag3,". The problem is the last ",". How to tell the foreach loop to avoid including "," after the last sequence?

[Pikachu2000]

The easiest way in that scenario would be to use implode() instead of a loop.

 

echo implode(',', $array);

[AyKay47]

im thinking something along the lines of this..

 

foreach ($array as $tag) {

if(end($array) == $tag){
      echo $tag;
}else{
echo "$tag,";
}
}

 

Edit

 

I like the implode method here

[cyberRobot]

There are many ways, but my preferred method is:

 

$firstTime = true;
foreach ($array as $tag) {
     if($firstTime) {
          echo "$tag";
          firstTime = false;
     } else {
          echo ",$tag";
     }
}