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PHP Exam Prep MCQs – Mock Test 68

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MCQ 336: Which mathematical constant notation is used for square root?

  1. sqr ( )
  2. sqrt (2)
  3. 1/sqrt ( )
  4. None of them

MCQ 337: PHP is different from other languages because variables do not have to be:

  1. Bounded
  2. Declared before being assigned
  3. Character type
  4. Integer type

MCQ 338: By using special wildcards for matching a string which function is used?

  1. Strtok
  2. Tokenizing
  3. Delimiter
  4. Regex

MCQ 339: For getting rid of an assigned variable in an array which function is used?

  1. delete_array ( )
  2. reset_array
  3. reset ( )
  4. unset ( )

MCQ 340: In Perl-compatible patterns any pattern that is followed by ? this means that:

  1. Match this pattern 1 or more times
  2. Match this pattern exactly 1 time
  3. Match this pattern 0 times
  4. None of them

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