PHP FILTER_VALIDATE_URL Filter
What is FILTER_VALIDATE_URL in PHP?
Explanation
PHP FILTER_VALIDATE_URL is used to check whether the given value is a valid URL or not.
Name: "validate_url"
ID-number: 273
<?php
$val="//www.hscripts.com";
if(filter_var($val, FILTER_VALIDATE_URL,FILTER_FLAG_HOST_REQUIRED ))
{
echo "Valid url";
}
else
{
echo "Invalid url";
}
?>
Result :
Valid url
Name: "validate_url"
ID-number: 273
Options:
| FILTER_FLAG_SCHEME_REQUIRED | Requires URL to be an RFC compliant URL (like http://hscripts) |
| FILTER_FLAG_HOST_REQUIRED | Requires URL to include host name (like //www.hscripts.com) |
| FILTER_FLAG_PATH_REQUIRED | Requires URL to have a path after the domain name (like www.hscripts.com/scripts/test/) |
| FILTER_FLAG_QUERY_REQUIRED | Requires URL to have a query string (like "hscripts.php?name=script&id=12") |
Example :
<?php
$val="//www.hscripts.com";
if(filter_var($val, FILTER_VALIDATE_URL,FILTER_FLAG_HOST_REQUIRED ))
{
echo "Valid url";
}
else
{
echo "Invalid url";
}
?>
Result :
Valid url
