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5 Written questions

5 Matching questions

  1. count()
  2. strtoupper()
  3. array_search()
  4. htmlentities()
  5. strcasecmp()
  1. a accepts an array, returns number of elements
  2. b makes letters uppercase in a string
  3. c 2 args: value, array -> key
  4. d returns 0 if two strings are equal, ignoring case
  5. e encodes special html characters of a string

5 Multiple choice questions

  1. capitalizes the first letter of each word
  2. number, string, or mixed -> floating point number with letters discarded
  3. takes 3 arguments: string, starting position, number of characters to return
  4. 2 args: delimiter, array. creates an array using the delimiter to distinguish elements
  5. accepts decimal number -> hexadecimal form

5 True/False questions

  1. intval()number, string, or mixed -> integer with letters discarded


  2. strlen()returns length of string


  3. while()returns length of string


  4. arsort()inverse of asort()


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


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