Get your own PHP server Result Size: 625 x 565
×
Change Orientation Change Theme, Dark/Light Go to Spaces
​x
 
<!DOCTYPE html>
<html>
<body>
​
<?php
echo strlen("Hello world!");
?>
​
<p><b>Note:</b> Whitespaces and exclamation marks are also a part of the string ("HelloWorld" would return 10).</p>
​
</body>
</html>
​
12

Note: Whitespaces and exclamation marks are also a part of the string ("HelloWorld" would return 10).