code: function explode(s, d) {
  		if (!s || Arr.isArray(s)) {
  			return s;
  		}
  
  		return Arr.map(s.split(d || ','), trim);
  	}
docs: Splits a string but removes the whitespace before and after each value.
  
  @method explode
  @param {string} s String to split.
  @param {string} d Delimiter to split by.
  @example
  // Split a string into an array with a,b,c
  var arr = tinymce.explode('a, b,   c');