Website design tutorial with php

PHP string

A string is a sequence of characters, like “Hello world!”.

PHP String Functions

The PHP strlen() function returns the length of a string.

Example

Return the length of the string “Hello world!”:

<?php
echo strlen("Hello world!"); // outputs 12
?>

str_word_count() – Count Words in a String

The PHP str_word_count() function counts the number of words in a string.

Example

Count the number of word in the string “Hello world!”:

<?php
echo str_word_count("Hello world!"); // outputs 2
?>

strrev() – Reverse a String

The PHP strrev() function reverses a string.

Example

Reverse the string “Hello world!”:

<?php
echo strrev("Hello world!"); // outputs !dlrow olleH
?>

When you develop your site with php, these functions may help you. You edit or write php in with code editor from file manager in techvila hosting control panel.