Computer Science Degree Courses

PHP Quizzes

PHP Quiz Answers - Complete

Mathematical Constants multiple choice questions and answers, mathematical constants quiz answers PDF 68 to learn PHP course for college certification. Learn PHP Math Functions MCQ trivia questions, mathematical constants Multiple Choice Questions (MCQ) for online college degrees. Mathematical Constants Interview Questions PDF: perl compatible regular expressions, deleting from arrays, php: regular expressions, unbound variables, mathematical constants test prep for BSc computer science.

"Which mathematical constant notation is used for square root?" MCQ PDF with choices *sqrt (2), sqr ( ), 1/sqrt ( ), and none of them* for free online classes. Solve php math functions questions and answers to improve problem solving skills for online computer science schools.

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

sqr ( )

sqrt (2)

1/sqrt ( )

None of them

b

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

Bounded

Declared before being assigned

Character type

Integer type

b

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

Strtok

Tokenizing

Delimiter

Regex

d

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

delete_array ( )

reset_array

reset ( )

unset ( )

d

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

Match this pattern 1 or more times

Match this pattern exactly 1 time

Match this pattern 0 times

None of them

b