<?php

function ping($site){
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
    curl_setopt($ch, CURLOPT_TIMEOUT, 40);
    curl_setopt($ch, CURLOPT_URL, $site);
    ob_start();
    return curl_exec ($ch);
    ob_end_clean();
    curl_close ($ch);
}
//GRAB YOUR URL VIA THE DATABASE HERE

$servername = "localhost";
$username = "***";
$password = "***";
$dbname = "sldb";

// Create connection
$conn = new mysqli($servername, $username, $password, $dbname);
// Check connection
if ($conn->connect_error) {
    die("Connection failed: " . $conn->connect_error);
}

$sql = "SELECT url FROM sl_url";
$result = $conn->query($sql);

if ($result->num_rows > 0) {
    while($row = $result->fetch_assoc()) {
        echo "" . $row["url"]."";
ping($url);
    }
} else {
    echo "0 results";
}
$conn->close();
?>