PHP Practice Test 68

Mathematical Constants Multiple Choice Questions (MCQ) PDF - 68

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Mathematical Constants Questions and Answers PDF Download: Quiz 68

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

A) sqr ( )

B) sqrt (2)

C) 1/sqrt ( )

D) None of them

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

A) Bounded

B) Declared before being assigned

C) Character type

D) Integer type

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

A) Strtok

B) Tokenizing

C) Delimiter

D) Regex

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

A) delete_array ( )

B) reset_array

C) reset ( )

D) unset ( )

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

A) Match this pattern 1 or more times

B) Match this pattern exactly 1 time

C) Match this pattern 0 times

D) None of them

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