PHP Interview Questions and answers

Consider the following script. What line of code should be inserted in the marked location in
order to display the string php when this script is executed?

$alpha = 'abcdefghijklmnopqrstuvwxyz';
$letters = array(15, 7, 15);
foreach($letters as $val) {
/* What should be here */
}

A. echo chr($val);
B. echo asc($val);
C. echo substr($alpha, $val, 2);
D. echo $alpha{$val};
E. echo $alpha{$val+1}

An array can be accessed like this as well. $alpha{$val}

“heredoc” syntax can be used to declare complex strings,

What will out put the following code snippet?

<?php
$who = "questions";
echo <<<TEXT
So I said, "php interview $who"
TEXT;
?>

Answer – So I said, “php interview questions”

In general, the functionality of this heredoc syntax is similar to double quotes.