Basic PHP MCQ

Test your knowledge with important Basic PHP MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30+ more Basic PHP MCQs on Bissoy. Bissoy App

• It is possible to create a hierarchy of namespaces in PHP.
  ক

  TRUE

  খ

  FALSE
• All classes in the same namespace or subnamespace don’t have to the declared in the same PHP file.
  ক

  TRUE

  খ

  FALSE
• As the namespace size grows, using namespaces can become a little repetitious, but PHP also provides the . . . . . statement, which allows you to alias a specific namespace.
  ক

  php

  খ

  grant

  গ

  use

  ঘ

  label
• Multiple namespaces cannot be defined in the same file.
  ক

  TRUE

  খ

  FALSE
• Which of the below namespace declaration is correct?
  ক

  namespace ORA:

  খ

  namespace 1_RA;

  গ

  namespace ORA;

  ঘ

  namespace ORA_#;
• With the introduction of namespaces, the same function name can be used in multiple places.
  ক

  TRUE

  খ

  FALSE
• PHP considers the following values as False
  ক

  the integer 0

  খ

  the one-character string 0

  গ

  constant NULL

  ঘ

  both A and B

  ঙ

  All of Above
• What is the limit of a PHP integer value?
  ক

  16384

  খ

  65536

  গ

  1048576

  ঘ

  2147483647
• strval()
  ক

  Accepts a value and converts it into a string array

  খ

  Accepts a value and converts it into an string dictionary

  গ

  Accepts a value and converts it into string equivalent

  ঘ

  None of above
• PHP ..... demand that you declare a data type when you create a variable.
  ক

  does

  খ

  does not
• PHP does not support numbers written in hexadecimal, octal or scientific notation.
  ক

  True

  খ

  False
• String values must be enclosed in ......
  ক

  single quotes

  খ

  double quotes

  গ

  both A and B

  ঘ

  none of above
• When a simple data type is casted to an array, an array is created with the original value in the first element.
  ক

  True

  খ

  False
• If you echo a Boolean variable, the value FALSE displays as a .... and the value TRUE echoes as a .....
  ক

  0, 1

  খ

  blank string, 2

  গ

  empty variable, 1

  ঘ

  blank string, 1
• Assigning the empty string (like ' ') to a variable automatically renders it empty.
  ক

  True

  খ

  False
• You can test the type of any variable with the ..... function.
  ক

  whattype()

  খ

  showtype()

  গ

  gettype()

  ঘ

  settype()
• PHP runs on different platforms (Windows, Linux, Unix, etc.)
  ক

  True

  খ

  False
• Which of the following is not valid PHP code?
  ক

  $_10

  খ

  ${“MyVar”}

  গ

  &$something

  ঘ

  $10_somethings

  ঙ

  $aVaR
• PHP is an open source software.
  ক

  True

  খ

  False
• Variables always start with a ........ in PHP
  ক

  Pond-sign

  খ

  Yen-sign

  গ

  Dollar-sign

  ঘ

  Euro-sign
• Under what circumstance is it impossible to assign a default value to a parameter while declaring a function?
  ক

  When the parameter is Boolean

  খ

  When the function is being declared as a member of a class

  গ

  When the parameter is being declared as passed by reference

  ঘ

  When the function contains only one parameter

  ঙ

  Never
• How does the identity operator === compare two values?
  ক

  It converts them to a common compatible data type and then compares the resulting values

  খ

  It returns True only if they are both of the same type and value

  গ

  If the two values are strings, it performs a lexical comparison

  ঘ

  It bases its comparison on the C strcmp function exclusively

  ঙ

  It converts both values to strings and compares them
• Which of the below statements is equivalent to $add += $add ?
  ক

  $add = $add

  খ

  $add = $add +$add

  গ

  $add = $add + 1

  ঘ

  $add = $add + $add + 1
• PHP files have a default file extension of_______.
  ক

  .html

  খ

  .xml

  গ

  .php

  ঘ

  .ph