אפשר גם לעשות בדרך הכי פשוטה
PHP קוד:
$startvar = 'x'; // start of string
$endvar = 'y'; // end of string
$string = "xbbbsidjsdjy"; // some string
$string = trim($string); // cut white space if exsit
if (strtolower($string[0]) == strtolower($startvar)) // use strtolower so its will get cought for X and x
{
echo "$string start with $startvar";
}
if (strtolower($string[strlen($string)-1]) == strtolower($endvar)) // use strtolower so its will get cought for X and x
{
echo "$string end with $endvar";
}