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 will be the output of the following PHP code?

<?php
$x = 5;
do {
echo 'The number is: $x
';
$x++;
} while ($x <= 3);
?>

A). The number is: 5

B). The number is: 5
The number is: 6

C). The number is: 5
The number is: 4

D). The number is: 6

Which PHP loop is typically used for iterating over the elements of an array?

A). for loop

B). while loop

C). do-while loop

D). foreach 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

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

What does the following PHP code snippet do?

<?php
$x = 1;
while ($x <= 5) {
echo 'The number is: $x
';
$x++;
}
?>

A). It prints numbers from 1 to 5

B). It prints numbers from 5 to 1

C). It prints 'The number is: 5' repeatedly

D). It prints 'The number is: 1' repeatedly

Which control structure in PHP is used to execute a block of code repeatedly as long as a specified condition is true?

A). if statement

B). for loop

C). switch statement

D). while loop

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

What is the output of the following PHP code?

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

A). The number is: 1

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

C). The number is: 2

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

What does the following PHP code snippet do?

<?php
$colors = array('Red', 'Green', 'Blue');
foreach ($colors as $color) {
echo 'Color: $color
';
}
?>

A). It prints 'Color: Red'

B). It prints 'Color: Green'

C). It prints 'Color: Blue'

D). It prints all the elements of the $colors array

Which of the following PHP control structures is used to evaluate an expression against multiple possible cases?

A). if statement

B). for loop

C). switch statement

D). while loop