how to convert a string in array in php i.e
$str="this is string";
should be like this
  arr[0]=this
  arr[1]=is
  arr[2]=string 
The str_split($str, 3); splits the string in 3 character word but I need to convert the string after whitespace in an array.
 
     
     
     
     
     
     
     
     
     
     
    