switch statement in PHP is used 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
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
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 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
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 purpose of the continue statement in PHP?
A). To exit a loop or switch statement prematurely
B). To skip the current iteration of a loop
C). To restart the current iteration of a loop
D). To continue to the next iteration of a loop
What is the purpose of the break statement in PHP?
A). To exit a loop or switch statement prematurely
B). To skip the current iteration of a loop
C). To restart the current iteration of a loop
D). To continue to the next iteration of a loop
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
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