check if image exists php

Question

I am in the middle of coding up a property portal. I am stuck on checking images. I know how to check if an image url is set. But the problem is detecting if there is actual

Answer 1

function exists($uri)
{
    $ch = curl_init($uri);
    curl_setopt($ch, CURLOPT_NOBODY, true);
    curl_exec($ch);
    $code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
    curl_close($ch);

    return $code == 200;
}