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PHP MCQ
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- 18th Sep, 2021
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PHP MCQ Quiz & Online Test
Following are mostly asked Php MCQ test that are designed for professionals like you to crack you interviews. You can take this Php online test before appearing to you real interview. This Php quiz there are around 30+ multiple choice questions on Php with four options.
1) What PHP stands for?
2) How does the identity operator === compare two values?
3) Under what circumstance is it impossible to assign a default value to a parameter while declaring a function?
4) Variables always start with a ........ in PHP
6) Which of the following is not valid PHP code?
7) What is the difference between print() and echo()?
8) PHP runs on different platforms (Windows, Linux, Unix, etc.)
9) Array values are keyed by ______ values (called indexed arrays) or using ______ values (called associative arrays). Of course, these key methods can be combined as well.
10) Which array function checks if the specified key exists in the array
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11) There are three different kind of arrays:
12) Absent any actual need for choosing one method over the other, does passing arrays by value to a read-only function reduce performance compared to passing them by reference?
13) Assume you would like to sort an array in ascending order by value while preserving key associations. Which of the following PHP sorting functions would you use?
14) What function computes the difference of arrays?
16) What array will you get if you convert an object to an array?
17) PHP sessions are created using the . . . . . function
18) When you want to store user data in a session use the . . . . array
19) Sessions allow you to
20) A snapshot of the session data can be taken at any time and written out to a file
21) When the session data is written to a file, it can be read back, decoded and applied to the current session using the . . . . function
22) session_destroy() instantly destroy elements of the $_SESSION array
23) Appending session data to an absolute URL does not represent a security risk
24) If the php.ini register_globals directive is set, session data becomes available in the . . . . namespace
25) No expiry date is set in the cookie that PHP sets for the session. The session remains current only as long as the browser is active. When the browser is restarted the cookie is not stored. This behavior can be changed by altering . . . . . setting in php.ini file
26) session_destroy() erases all session variable
27) In PHP the integer 45 is stored exactly as 45. The floating point number 46.3 could be stored as
28) The static members in traits are linked to whichever . . . . uses them, rather than the trait itself
29) There can be situations where a class uses two traits with the same method and this may cause the code to throw an error. To avoid errors like this, you can use the operator . . . . . .
30) Traits can be further composed of other traits, even supporting the . . . . . . .
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