<?php
$colors = array('Red', 'Green', 'Blue');
foreach ($colors as $color) {
echo $color . '
';
}
?>
foreach loop to iterate over each element of the $colors array and print it. Therefore, the purpose of the code is to loop through an array and print each element.
What is the value of $x after the following PHP code is executed?<?php
$x = 5;
$x += 3;
echo $x;
?>
A). 5
B). 8
C). 15
D). 3
What will be the value of the variable $result after executing the following PHP code?<?php
$x = 5;
$result = ($x > 10) ? 'Yes' : 'No';
?>
A). Yes
B). No
C). True
D). False
What will be the result of the expression 10 % 3 in PHP?
A). 0
B). 1
C). 3
D). 10
Which of the following statements is true about PHP comments?
A). Comments are ignored by the PHP interpreter
B). Comments can only be single-line
C). Comments must start with /* and end with */
D). Comments are displayed on the webpage
Which of the following PHP operators is used for concatenation of strings?
A). .
B). +
C). &&
D). *
What will be the output of the following PHP code?<?php
$x = 5;
echo $x--;
echo $x;
?>
A). 5 4
B). 5 5
C). 4 4
D). 4 5
Which of the following is a correct way to increment the value of a variable $count by 1 in PHP?
A). $count++;
B). $count += 1;
C). $count = $count + 1;
D). $count =+ 1;
Which of the following PHP functions is used to convert a string to uppercase?
A). strtoupper()
B). ucwords()
C). strtolower()
D). ucfirst()
What does the following PHP code output?<?php
$x = '10';
$y = 20;
echo $x + $y;
?>
A). 30
B). 1020
C). Error
D). 102
What is the purpose of the following PHP function?strlen('Hello')
A). Returns the length of a string
B). Converts a string to lowercase
C). Checks if a string contains a substring
D). Returns the first occurrence of a substring in a string