Result Size: 625 x 571
x
 
<!DOCTYPE html>
<html>
<body>
<?php
// Variable to check
$url = "../index.html";
// Validate url
if (!filter_var($url, FILTER_VALIDATE_URL, FILTER_FLAG_QUERY_REQUIRED) === false) {
    echo("$url is a valid URL with a query string");
} else {
    echo("$url is not a valid URL with a query string");
}
?>
</body>
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</html>
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