How to convert integer to string in PHP to determine if a string contains another string

$name = "001x.gif";
$pan = "x";
$con = explode($pan,$name);
if (count($con)>1):
echo $name." contains ".$pan;
else:
echo $name." does not contain ".$pan;
endif;
?>

The above introduces the method of converting integer to string in PHP to determine whether a string contains another string, including the content of converting integer to string. I hope it will be helpful to friends who are interested in PHP tutorials.