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5 Written Questions

5 Matching Questions

  1. explode()
  2. substr()
  3. rsort()
  4. dechex()
  5. implode()
  1. a 2 args: delimiter, array. creates an array using the delimiter to distinguish elements
  2. b takes 3 arguments: string, starting position, number of characters to return
  3. c 2 args: delimiter, array. prints out elements of an array separated by the delimiter
  4. d reverse sorting of sort()
  5. e accepts decimal number -> hexadecimal form

5 Multiple Choice Questions

  1. number, string, or mixed -> integer with letters discarded
  2. takes 2 arguments: string, replacement string
  3. compares 2 strings, returns +#, -#, or 0 based on comparison
  4. removes html tags from a string
  5. returns absolute value of an argument

5 True/False Questions

  1. array_key_exists()accepts 2 args: key, array -> true or false

          

  2. while()returns true or false

          

  3. trim()compares 2 strings, returns +#, -#, or 0 based on comparison

          

  4. array_search()2 args: value, array -> key

          

  5. krsort()inverse of ksort()

          

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