Count the Number of Elements Using Explode

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Hi, 

  I have a code snippet here as follows:

  $message="1|2|3|4|5";
  $stringChunks = explode("|", $message);

  Is it possible to find out the number of elements in this string? It seems that I could do things like print_r and find out what is the last element of $stringChunks is, but is there a way where I can use code from the two lines and have it print out 5 as the number of elements that contains after the splitting? 

   Or, am I on the wrong direction here?

Thanks in advance.

Alice
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