What is a key characteristic of a constant in PHP?
The Full Stack Web Development - PHP Programming Fundamentals - Project on Basic PHP

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Information Technology (IT), Architecture
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Hard
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
It is defined using the 'var' keyword.
It can be redefined multiple times.
It must be initialized with a number.
It does not use a dollar sign.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a valid variable name in PHP?
user name
1user
user-name
_user
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you concatenate strings in PHP?
Using the '+' operator
Using the '.' operator
Using the ',' operator
Using the '&' operator
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the correct way to define an indexed array in PHP?
array: ['value1', 'value2']
array = {'value1', 'value2'}
array('value1', 'value2')
['value1', 'value2']
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you access the value of 'Larry' in an associative array?
$ages(Larry)
$ages{Larry}
$ages->Larry
$ages['Larry']
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of a function in PHP?
To store multiple values
To perform a specific task
To define a constant
To create a loop
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you provide a default value for a function parameter in PHP?
By using the 'default' keyword
By assigning a value in the function call
By assigning a value in the function definition
By using the 'set' keyword
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