1 files changed, 51 insertions, 0 deletions
diff --git a/src/archive_page.php b/src/archive_page.php
new file mode 100644
index 0000000..bd1f872
--- /dev/null
+++ b/src/archive_page.php
@@ -0,0 +1,51 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>PHP answer to the request</title>
+</head>
+<body>
+<p>
+<?php
+    function apply_correct_protocol($url, $protocol) {
+        if (str_contains($url, $protocol)) {
+            return $url;
+        }
+
+        return $protocol . $url;
+    }
+
+    function does_website_exist($url) {
+        $result = false;
+
+        // Check if the site exists with https
+        $https_url = apply_correct_protocol($url, "https://");
+        if ($https_url != $url) {
+            $url_headers = @get_headers($https_url);
+            $result |= $url_headers && $url_headers[0] != 'HTTP/1.1 404 Not Found';
+        }
+
+        // Check if the site exists with http
+        $http_url = apply_correct_protocol($url, "http://");
+        if ($http_url != $url) {
+            $url_headers = @get_headers($http_url);
+            $result |= $url_headers && $url_headers[0] != 'HTTP/1.1 404 Not Found';
+        }
+
+        // Check if the site exists as is
+        // Will take effect when the user has entered the https/http protocol with the site
+        $url_headers = @get_headers($url);
+        $result |= $url_headers && $url_headers[0] != 'HTTP/1.1 404 Not Found';
+
+        return $result;
+    }
+
+    $WEBSITE_CATEGORY = 'page_url';
+    $website_url = $_POST[$WEBSITE_CATEGORY];
+    $website_exists = does_website_exist($website_url) ? "true" : "false";
+    echo "Website exists: $website_exists";
+?>
+</p>
+</body>
+</html>