PHP Functions Easy Questions and Answers

Which one of the following functions can be used to compress a string?

We will be able to achieve almost 50% size reduction using this function. The gzuncompress() function is used to uncompress the string.

What will be the output of the following PHP code?

<?php
echo chr(55);
?>

The chr() function returns a character from the specified ASCII value. Since the ASCII value of 7 is 55, thus 7 was displayed.

What will be the output of the following PHP code?

<?php
echo ord ("Ajit");
?>

The ord() function returns the ASCII value of the first character of a string. The ASCII value of A is 65, thus 65 was displayed.

What will be the output of the following PHP code?

<?php
$string = "keep practicing at interviewmania";
echo wordwrap($string, 15, "\n"); 
?>

The wordwrap() function wraps a string into new lines when it reaches a specific length.

What will be the output of the following PHP code?

<?php
echo ucwords("i love interview mania!");
?>

The ucwords() function converts the first character of each word in a string to uppercase.