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5 Written questions

5 Matching questions

  1. strval()
  2. ucwords()
  3. if()
  4. count()
  5. rsort()
  1. a returns true or false
  2. b capitalizes the first letter of each word
  3. c reverse sorting of sort()
  4. d accepts an array, returns number of elements
  5. e converts an integer or float into a string

5 Multiple choice questions

  1. sorts an array by element value and reassigns the element keys in order of sorting: zero to last element
  2. returns a string trimmed of leading and trailing whitespace
  3. returns absolute value of an argument
  4. accepts decimal number -> hexadecimal form
  5. inverse of ksort()

5 True/False questions

  1. unset()removes an array element

          

  2. floatval()number, string, or mixed -> integer with letters discarded

          

  3. explode()2 args: delimiter, array. creates an array using the delimiter to distinguish elements

          

  4. for()sorts an array by element value and reassigns the element keys in order of sorting: zero to last element

          

  5. array_key_exists()2 args: value, array -> key