if-else statement 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.
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 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
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
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
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 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 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
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 repeatedly for a specified number of times?
A). if statement
B). for loop
C). switch statement
D). while 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