MULTIPLE CHOICE QUESTIONS
History and Evolution of PHP
1.
Who is the creator of PHP?
a) Larry Wall
b) Guido van Rossum
c) Rasmus Lerdorf
d) Brendan Eich
Answer: c) Rasmus Lerdorf
2.
In which year was PHP first released?
a) 1991
b) 1995
c) 2000
d) 2005
Answer: b) 1995
3.
What does PHP originally stand for?
a) Personal Hypertext Processor
b) Private Home Page
c) PHP: Hypertext Preprocessor
d) Personal Home Page
Answer: d) Personal Home Page
4.
Which version of PHP introduced the Zend Engine?
a) PHP 2
b) PHP 3
c) PHP 4
d) PHP 5
Answer: c) PHP 4
5.
Which of the following is NOT a major feature of PHP 7?
a) Scalar type declarations
b) Anonymous classes
c) Just-in-time (JIT) compilation
d) Return type declarations
Answer: c) Just-in-time (JIT) compilation
6.
Which PHP version introduced the null coalescing operator (??) for
checking if a variable is set and not null?
a) PHP 5.6
b) PHP 7.0
c) PHP 7.1
d) PHP 7.4
Answer: b) PHP 7.0
7.
Which version of PHP first supported anonymous functions (closures)?
a) PHP 4
b) PHP 5.2
c) PHP 5.3
d) PHP 5.4
Answer: c) PHP 5.3
8.
Which PHP version introduced the Spaceship operator (<=>) for
three-way comparisons?
a) PHP 5.6
b) PHP 7.0
c) PHP 7.1
d) PHP 7.2
Answer: b) PHP 7.0
9.
What was the primary focus of PHP 7.1's release?
a) Performance improvements
b) New features for functional programming
c) Better error handling
d) Introduction of PHP-FIG standards
Answer: a) Performance improvements
10.
Which PHP extension, introduced in PHP 7.4, improves the performance of
PHP scripts by storing precompiled script bytecode in shared memory?
a) APC
b) XCache
c) OPcache
d) Memcached
Answer: c) OPcache
11.
Which PHP version was known for its major rewrite of the core engine,
significantly improving performance and adding many new features?
a) PHP 4
b) PHP 5
c) PHP 5.4
d) PHP 7
Answer: d) PHP 7
12.
Which feature was introduced in PHP 5.4 that helps reduce the need for
redundant include statements?
a) Traits
b) Short array syntax
c) Built-in web server
d) Class map autoloading
Answer: a) Traits
13.
Which PHP version added support for the final keyword, which prevents a
class from being subclassed or a method from being overridden?
a) PHP 4
b) PHP 5.0
c) PHP 5.1
d) PHP 5.2
Answer: b) PHP 5.0
14.
Which PHP version introduced the yield keyword, used for creating
generator functions?
a) PHP 5.3
b) PHP 5.4
c) PHP 5.5
d) PHP 5.6
Answer: b) PHP 5.4
15.
What was a key feature of PHP 5.6 that improved the language’s
functionality?
a) Variadic functions
b) Support for closures
c) The finally block for exception handling
d) Scalar type hints
Answer: a) Variadic functions
16.
Which PHP version introduced support for generator functions using the
yield keyword?
a) PHP 5.3
b) PHP 5.4
c) PHP 5.5
d) PHP 5.6
Answer: b) PHP 5.4
17.
In which PHP version was the date_interval_create_from_date_string()
function introduced?
a) PHP 5.2
b) PHP 5.3
c) PHP 5.4
d) PHP 5.5
Answer: c) PHP 5.4
18.
What major performance improvement was introduced with PHP 7.0?
a) Introduction of Just-In-Time (JIT) compilation
b) Introduction of the Zend Engine 3
c) Introduction of improved garbage collection
d) Introduction of support for multi-threading
Answer: b) Introduction of the Zend Engine 3
19.
Which PHP version introduced the SessionHandlerInterface for custom
session handlers?
a) PHP 5.4
b) PHP 5.5
c) PHP 5.6
d) PHP 7.0
Answer: d) PHP 7.0
20.
What significant change regarding variable handling was introduced in PHP
7.0?
a) Introduction of scalar type declarations
b) Introduction of short array syntax
c) Introduction of anonymous classes
d) Introduction of the spl_autoload_register function
Answer: a) Introduction of scalar type
declarations
21.
Which PHP version introduced the finally keyword for handling exceptions?
a) PHP 5.4
b) PHP 5.5
c) PHP 5.6
d) PHP 7.0
Answer: d) PHP 7.0
22.
Which of the following features was introduced in PHP 5.5 to simplify the
syntax for handling arrays?
a) Short array syntax
b) Array dereferencing
c) Improved array functions
d) Both a and b
Answer: d) Both a and b
23.
In which PHP version was the WeakMap class introduced to handle weak
references?
a) PHP 7.0
b) PHP 7.1
c) PHP 7.2
d) PHP 7.3
Answer: c) PHP 7.2
24.
Which PHP version added support for multi-catch exceptions, allowing a
single catch block to handle multiple exception types?
a) PHP 5.5
b) PHP 5.6
c) PHP 7.0
d) PHP 7.1
Answer: d) PHP 7.1
25.
Which PHP version introduced the declare(strict_types=1); directive to
enforce strict typing?
a) PHP 5.6
b) PHP 7.0
c) PHP 7.1
d) PHP 7.2
Answer: b) PHP 7.0
26.
Which PHP version introduced the anonymous classes feature?
a) PHP 5.5
b) PHP 5.6
c) PHP 7.0
d) PHP 7.1
Answer: d) PHP 7.0
27.
What significant improvement did PHP 7.1 introduce for handling nullable
types?
a) Nullable types for method parameters
b) Support for void return type
c) iterable type hint
d) object type hint
Answer: a) Nullable types for method
parameters
28.
Which PHP version introduced object type hint for function parameters and
return types?
a) PHP 7.0
b) PHP 7.1
c) PHP 7.2
d) PHP 7.3
Answer: c) PHP 7.2
29.
In which PHP version was the comparator function (<=>) introduced,
also known as the spaceship operator?
a) PHP 5.4
b) PHP 5.5
c) PHP 7.0
d) PHP 7.1
Answer: c) PHP 7.0
30.
Which PHP version introduced preloading for improved performance by
caching classes and functions in memory?
a) PHP 7.3
b) PHP 7.4
c) PHP 8.0
d) PHP 8.1
Answer: c) PHP 8.0
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