MCQOPTIONS
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MCQOPTIONS
This section includes 194 Mcqs, each offering curated multiple-choice questions to sharpen your Php knowledge and support exam preparation. Choose a topic below to get started.
| 101. |
*/*_Which one of the following methods in the exception class, is used to get a nested exception object?? |
| A. | getPrevious() |
| B. | getCode() |
| C. | getFile() |
| D. | getLine() |
| Answer» B. getCode() | |
| 102. |
*/*_Which one of the following method is invoked when an undefined method is called by client code?? |
| A. | __get() |
| B. | __isset() |
| C. | __unset() |
| D. | __call() |
| Answer» E. | |
| 103. |
%_PHP recognises constructors by the name . . . . ._% |
| A. | _construct |
| B. | __construct |
| C. | __constructor |
| D. | _constructor |
| Answer» C. __constructor | |
| 104. |
%_Which one of the following methods in the exception class, is used to get a nested exception object?_% |
| A. | getPrevious() |
| B. | getCode() |
| C. | getFile() |
| D. | getLine() |
| Answer» B. getCode() | |
| 105. |
%_Which one of the following method is invoked when an undefined method is called by client code?_% |
| A. | __get() |
| B. | __isset() |
| C. | __unset() |
| D. | __call() |
| Answer» E. | |
| 106. |
%_Which function is used to determine whether the variable’s value is either TRUE or FALSE?_% |
| A. | boolean() |
| B. | is_boolean() |
| C. | bool() |
| D. | is_bool() |
| Answer» E. | |
| 107. |
%_Which keyword is used to declare a constant property?_% |
| A. | const |
| B. | con |
| C. | constant |
| D. | _constant |
| Answer» B. con | |
| 108. |
%_Which one of the following keywords is used to define an abstract class?_% |
| A. | extends |
| B. | implements |
| C. | abstract |
| D. | new |
| Answer» D. new | |
| 109. |
%_What should be used to refer to a method in the context of a class rather than an object you use?_% |
| A. | -> |
| B. | __ |
| C. | $ |
| D. | :: |
| Answer» E. | |
| 110. |
%_Which keyword is used to access a static method or property from within the same class(rather than from child)?_% |
| A. | static |
| B. | strat |
| C. | self |
| D. | set |
| Answer» D. set | |
| 111. |
%_Which method is used to tweak an object’s cloning behavior?_% |
| A. | clone() |
| B. | __clone() |
| C. | _clone |
| D. | object_clone() |
| Answer» C. _clone | |
| 112. |
_ Which one of the following is the right way to clone an object?$? |
| A. | _clone(targetObject); |
| B. | destinationObject = clone targetObject; |
| C. | destinationObject = _clone(targetObject); |
| D. | destinationObject = clone(targetObject); |
| Answer» C. destinationObject = _clone(targetObject); | |
| 113. |
_ In the PHP code given below, what is/are the properties?$? |
| A. | echo “This is an example”; |
| B. | public $name; |
| C. | class Example |
| D. | function sample() |
| Answer» C. class Example | |
| 114. |
_ PHP recognizes constructors by the name_________$? |
| A. | classname() |
| B. | _construct() |
| C. | function _construct() |
| D. | function __construct() |
| Answer» E. | |
| 115. |
_ Which one of the following is the right way to invoke a method?$? |
| A. | $object->methodName(); |
| B. | object->methodName(); |
| C. | object::methodName(); |
| D. | $object::methodName(); |
| Answer» B. object->methodName(); | |
| 116. |
_ The practice of creating objects based on predefined classes is often referred to as.$? |
| A. | class creation |
| B. | object creation |
| C. | object instantiation |
| D. | class instantiation |
| Answer» E. | |
| 117. |
_ Which class accepts a class name or an object reference and returns an array of interface name?$? |
| A. | class_implements() |
| B. | is_subclass() |
| C. | is_subclass_of() |
| D. | class_interface() |
| Answer» B. is_subclass() | |
| 118. |
_ PHP 4 did not support instanceof. Instead, which function did it provide?$? |
| A. | is() |
| B. | get_class() |
| C. | is_a() |
| D. | is_the() |
| Answer» D. is_the() | |
| 119. |
_ Which one of the following statements is true for require() and require_once()?$? |
| A. | They are functions |
| B. | They are statements |
| C. | They’ll not work if the () is not present |
| D. | They can not be used to require files |
| Answer» C. They‚Äö√Ñ√¥ll not work if the () is not present | |
| 120. |
_ Which of the following can you place inside a namespace?1. classes2. functions3. variables$? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | All of the mentioned |
| Answer» E. | |
| 121. |
_ Inheritance in class diagrams is depicted by________$? |
| A. | single-headed empty arrow |
| B. | single-headed filled arrow |
| C. | double-headed empty arrow |
| D. | double-headed filled arrow |
| Answer» B. single-headed filled arrow | |
| 122. |
_ If the diamond is filled it depicts which relationship?$? |
| A. | Strong Aggregation |
| B. | Composition |
| C. | Abstraction |
| D. | Inheritance |
| Answer» C. Abstraction | |
| 123. |
_ In a class diagram the class is divided into three sections, what is displayed in the first section?$? |
| A. | Class Attributes |
| B. | Class Declaration |
| C. | Class Name |
| D. | Class Functions |
| Answer» D. Class Functions | |
| 124. |
_ ________ code makes change easier because the impact of altering an implementation will be localized to the component being altered.$? |
| A. | Orthogonal |
| B. | Cohesion |
| C. | Coupling |
| D. | Balancing |
| Answer» B. Cohesion | |
| 125. |
_The result of below statements will be:$str = ""Hello fri3nd, you're feeling happy today?”;echo str_word_count($str);$? |
| A. | 7 |
| B. | 6 |
| C. | 5 |
| D. | 4 |
| Answer» B. 6 | |
| 126. |
_What will be the output of the following PHP codeclass Person { function getName() { return "Bob"; } function getAge() { return 44; } function __toString() { $desc = $this->getName(); $desc .= " (age ".$this->getAge().")"; return $desc; }}$person = new Person();print $person;$? |
| A. | Object Not Found |
| B. | PHP Catchable fatal error |
| C. | BOB (age 44) |
| D. | BOB |
| Answer» D. BOB | |
| 127. |
_Which version of PHP introduced the concept called late static binding?$? |
| A. | PHP 4 |
| B. | PHP 5 |
| C. | PHP 5.1 |
| D. | PHP 5.3 |
| Answer» E. | |
| 128. |
_Which one of the following method is invoked when a value is assigned to an undefined property?$? |
| A. | __get() |
| B. | __set() |
| C. | __isset() |
| D. | __call() |
| Answer» C. __isset() | |
| 129. |
_If you omit the visibility keyword in your method declaration, by default the method will be declared as.$? |
| A. | public |
| B. | private |
| C. | protected |
| D. | friendly |
| Answer» B. private | |
| 130. |
_Which version of PHP allows you to define constant properties within a class?$? |
| A. | PHP 4 |
| B. | PHP 4.1 |
| C. | PHP 4.3 |
| D. | PHP 5 |
| Answer» E. | |
| 131. |
_Which one of the following class can not be instantiated?$? |
| A. | inherited class |
| B. | abstract class |
| C. | constant class |
| D. | every class |
| Answer» C. constant class | |
| 132. |
_What will be the output of the following PHP code?$? |
| A. | bool(true) |
| B. | bool(false) |
| C. | error |
| D. | none of the above |
| Answer» B. bool(false) | |
| 133. |
_Which version of PHP introduced the static keyword?$? |
| A. | PHP 4 |
| B. | PHP 5 |
| C. | PHP 5.2 |
| D. | PHP 5.3 |
| Answer» C. PHP 5.2 | |
| 134. |
_If your object must inherit behavior from a number of sources you must use a/an$? |
| A. | Interface |
| B. | Object |
| C. | Abstract class |
| D. | Static class |
| Answer» B. Object | |
| 135. |
_Which version of PHP introduced the advanced concepts of OOP?$? |
| A. | PHP 4 |
| B. | PHP 5 |
| C. | PHP 5.3 |
| D. | PHP 6 |
| Answer» C. PHP 5.3 | |
| 136. |
_Which one of the following keyword is used to inherit our subclass into a superclass?$? |
| A. | extends |
| B. | implements |
| C. | inherit |
| D. | include |
| Answer» B. implements | |
| 137. |
_Which of the following statements is/are true about Constructors in PHP?1. PHP 4 introduced class constructors.2. Constructors can accept parameters.3. Constructors can call class methods or other functions.4. Class constructors can call on other constructors.$? |
| A. | 2 and 4 |
| B. | All of the mentioned |
| C. | None of the mentioned |
| D. | 2, 3 and 4 |
| Answer» C. None of the mentioned | |
| 138. |
_Which one of the following is the right way to call a class constant, given that the class is mathFunction?$? |
| A. | echo PI; |
| B. | echo mathFunction->PI; |
| C. | echo mathFunction::PI; |
| D. | echo mathFunction=PI; |
| Answer» D. echo mathFunction=PI; | |
| 139. |
_Which of the following term originates from the Greek language that means “having multiple forms,” defines OOP’s ability to redefine, a class’s characteristics?$? |
| A. | Abstraction |
| B. | Polymorphism |
| C. | Inheritance |
| D. | Differential |
| Answer» C. Inheritance | |
| 140. |
_Which one of the following function should I use to find the parent class of a class?$? |
| A. | get_parent_class() |
| B. | parent_class() |
| C. | class_parent() |
| D. | get_class_parent() |
| Answer» B. parent_class() | |
| 141. |
_Which one of the following will you use to check the class of an object?$? |
| A. | class() |
| B. | _class() |
| C. | class_check() |
| D. | get_class() |
| Answer» E. | |
| 142. |
_Which one of the following statements is true for include_once() and require_once()?$? |
| A. | Both are exactly the same |
| B. | include_once is used for files where as require_once() is not |
| C. | Both Handle the errors in the same way |
| D. | Both do not handle the errors in the same way |
| Answer» E. | |
| 143. |
_Till which version of PHP, developers were forced to name their files in a global context?$? |
| A. | PHP 4 |
| B. | PHP 5 |
| C. | PHP 5.2 |
| D. | PHP 5.3 |
| Answer» E. | |
| 144. |
_Which one of the following is displayed in the third section of the class diagram?$? |
| A. | Operations |
| B. | Inheritance |
| C. | Abstraction |
| D. | Coupling |
| Answer» B. Inheritance | |
| 145. |
_Which relationship is illustrated by a line that begins with an unfilled diamond?$? |
| A. | Composition |
| B. | Abstraction |
| C. | Aggregation |
| D. | Inheritance |
| Answer» D. Inheritance | |
| 146. |
_UML stands for?$? |
| A. | unified mailing language |
| B. | unified modeling logo |
| C. | undefined modeling language |
| D. | unified modeling language |
| Answer» E. | |
| 147. |
_______ occurs when discrete parts of a system’s code are tightly bound up with one another so that a change in one part necessitates changes in the others.$? |
| A. | Loose Coupling |
| B. | Tight Coupling |
| C. | Co-relation |
| D. | Balancing |
| Answer» C. Co-relation | |
| 148. |
Which keyword precedes a method name?$? |
| A. | method |
| B. | function |
| C. | public |
| D. | protected |
| Answer» C. public | |
| 149. |
Inheritance is the means by which one or more classes can be derived from a/an ___ class.$? |
| A. | base |
| B. | abstract |
| C. | null |
| D. | predefined |
| Answer» B. abstract | |
| 150. |
A mutator method is also called as.$? |
| A. | Setter |
| B. | Accessor |
| C. | Getter |
| D. | Destructor |
| Answer» B. Accessor | |