<?php

function isValidURL($URL)
{
        return ereg("^((http|https|ftp)://)?(((www\.)?[^ ]+\.[com|org|net|edu|gov|us])|([0-9]+\.[0-9]+\.[0-9]+\.[0-9]+))([^ ]+)?$", $URL);
}

?>
 

<?php

$url = array();

$url[0] = "www.pinellascounty.org/park/01_Anderson.htm";
$url[1] = "http://www.440WestCondominiums.com";
$url[2] = "https://136.174.187.14/bcc/reef/treasure_island_reef.htm";
$url[3] = "www.ci.gulfport.fl.us/history.htm";
$url[4] = "www.ci.gulfport.fl.us/City_Departments/Leisure_Services/Casino/Casino.htm";
$url[5] = "umUxiKeZOfP1BHL6fYEZnXEqaNvC7ijpJ1cr94ENZTDZZMV4iZRKwV0LgjLcIsH";
$url[6] = "ftp://rspdesign.net/";
 

foreach ($url as $k => $v)
{
 
        if(isValidURL($v))
        {
                echo "URL is question: " . $v . "<br />";
                echo "URL is <span style=\"font-weight: bold; color: blue; \">valid!</span><br /><br />";
        }
        else
        {
                echo "URL is question: " . $v . "<br />";
                echo "URL is <span style=\"font-weight: bold; color: red; \">invalid!</span><br /><br />";
        }

}
 
?>