How can I get the last 7 characters of a PHP string?

Question

How would I go about grabbing the last 7 characters of the string below?

For example:

$dynamicstring = \"2490slkj409slk5409els\";
$newstring = some_f         


        

Answer 1

For simplicity, if you do not want send a message, try this

$new_string = substr( $dynamicstring, -min( strlen( $dynamicstring ), 7 ) );