PHP Online Quiz

Following quiz provides Multiple Choice Questions (MCQs) related to PHP. You will have to read all the given answers and click over the correct answer. If you are not sure about the answer then you can check the answer using Show Answer button. You can use Next Quiz button to check new set of questions in the quiz.

Q 1 - Is PHP case sensitive?

A - false

B - true

Answer : B

Explanation

true! PHP is a case sensitive language.

Q 2 - Which of the following type of variables are special type that only has one value: NULL?

Answer : D

Explanation

NULL: is a special type that only has one value: NULL.

Q 3 - Which of the following magic constant of PHP returns full path and filename of the file?

Answer : B

Explanation

_FILE_ − The full path and filename of the file. If used inside an include,the name of the included file is returned. Since PHP 4.0.2, _FILE_ always contains an absolute path whereas in older versions it contained relative path under some circumstances.

Q 4 - Which of the following magic constant of PHP returns class method name?

Answer : A

Explanation

_METHOD_ − The class method name. (Added in PHP 5.0.0) The method name is returned as it was declared (case-sensitive).

Q 5 - Which of the following variable is used to generate random numbers using PHP?

A - srand()

B - rand()

C - random()

D - None of the above.

Answer : B

Explanation

The PHP rand() function is used to generate a random number. This function can generate numbers with-in a given range. The random number generator should be seeded to prevent a regular pattern of numbers being generated. This is achieved using the srand() function that specifiies the seed number as its argument.

Q 6 - Which of the following function returns the sum of the values in an array?

A - array_sum()

B - array_splice()

C - array_udiff()

D - array_udiff_assoc()

Answer : A

Explanation

array_sum() − Returns the sum of the values in an array.

Q 7 - Can you assign the default values to a function parameters?

A - true

B - false

Answer : A

Explanation

Yes! You can set a parameter to have a default value if the function's caller doesn't pass it.

Q 8 - Which of the following provides the error code associated with this file upload?

A - $_FILES['file']['error']

B - $_FILES['file']['name']

C - $_FILES['file']['size']

D - $_FILES['file']['type']

Answer : A

Explanation

$_FILES['file']['error'] − it provides the error code associated with this file upload.

Q 9 - Which of the following is correct about ereg() function?

A - The ereg() function searches a string specified by string for a string specified by pattern, returning true if the pattern is found, and false otherwise.

B - The ereg() function searches throughout a string specified by pattern for a string specified by string. The search is not case sensitive.

C - The ereg() function searches string for pattern, returning true if pattern exists, and false otherwise.

D - None of the above

Answer : A

Explanation

The ereg() function searches a string specified by string for a string specified by pattern, returning true if the pattern is found, and false otherwise.

Q 10 - Which of the following method can be used to create a MySql database using PHP?

A - mysql_connect()

B - mysql_query()

C - mysql_close()

D - None of the above

Answer : B

Explanation

PHP uses mysql_query function to create a MySQL database.

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