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5 Written Questions

5 Matching Questions

  1. strip_tags()
  2. count()
  3. ksort()
  4. strtoupper()
  5. substr()
  1. a takes 3 arguments: string, starting position, number of characters to return
  2. b sorts an array by keys
  3. c removes html tags from a string
  4. d accepts an array, returns number of elements
  5. e makes letters uppercase in a string

5 Multiple Choice Questions

  1. converts an integer or float into a string
  2. accepts string -> string with each \n replaced by <br>
  3. removes an array element
  4. 2 args: delimiter, array. prints out elements of an array separated by the delimiter
  5. returns a number string in comma format

5 True/False Questions

  1. arsort()inverse of ksort()


  2. htmlentities()returns length of string


  3. intval()converts an integer or float into a string


  4. in_array()accepts 2 args: value, array -> true or false. Value is case sensitive for strings.


  5. strcmp()converts an integer or float into a string


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