تابع ‎is_link()‎‎ در PHP

<?php
$link = "images";
if(is_link($link)) {
  echo ("$link is a link");
} else {
  echo ("$link is not a link");
}
?>
<?php
$link = "images";
if(is_link($link)) {
  echo ("$link is a link");
} else {
  echo ("$link is not a link");
}
?>اجرای کد