Q
Which PHP control structure is used to evaluate a single expression and execute a block of code based on the result of that expression?

Answer & Solution

Answer: Option A
Solution:
The if-else statement in PHP is used to evaluate a single expression and execute a block of code based on the result of that expression.
Related Questions on Average

What is the output of the following PHP code?

<?php
for ($i = 1; $i <= 3; $i++) {
echo 'The number is: $i
';
}
?>

A). The number is: 1
The number is: 2
The number is: 3

B). The number is: 3
The number is: 2
The number is: 1

C). The number is: 1

D). The number is: 3

What is the output of the following PHP code?

<?php
$i = 1;
while ($i <= 3) {
echo 'The number is: $i
';
$i++;
if ($i == 2) {
continue;
}
}
?>

A). The number is: 1
The number is: 2
The number is: 3

B). The number is: 1
The number is: 3

C). The number is: 2
The number is: 3

D). The number is: 1

Which of the following loops in PHP guarantees that the code block will be executed at least once, even if the condition is false?

A). for loop

B). while loop

C). do-while loop

D). foreach loop

What will be the output of the following PHP code?

<?php
for ($i = 1; $i <= 5; $i++) {
if ($i == 3) {
continue;
}
echo 'The number is: $i
';
}
?>

A). The number is: 1
The number is: 2
The number is: 3

B). The number is: 1
The number is: 2
The number is: 4
The number is: 5

C). The number is: 3

D). The number is: 4

What is the output of the following PHP code?

<?php
$x = 5;
if ($x > 3) {
echo 'Hello';
} else {
echo 'Goodbye';
}
?>

A). Hello

B). Goodbye

C). Nothing

D). Error

What is the purpose of the else statement in PHP?

A). To execute a block of code if a specified condition is true

B). To execute a block of code if the preceding if condition is false

C). To add additional conditions to the if statement

D). To evaluate an expression against multiple possible cases

Which PHP control structure is used to execute a block of code based on the evaluation of a condition?

A). if statement

B). for loop

C). switch statement

D). while loop

Which control structure in PHP is used to execute a block of code if a specified condition is true, and another block of code if the condition is false?

A). if-else statement

B). for loop

C). switch statement

D). while loop

Which PHP control structure is used to execute a block of code multiple times, each time with a different value in a specified range?

A). if statement

B). for loop

C). switch statement

D). while loop

Which PHP control structure is used to evaluate multiple conditions and execute a block of code based on the first condition that is true?

A). if-else statement

B). for loop

C). switch statement

D). while loop