Prettify

1 files changed, 22 insertions, 22 deletions

diff --git a/createurl.php b/createurl.php
index f21eb37..b42b73d 100644
--- a/createurl.php
+++ b/createurl.php
@@ -19,7 +19,7 @@ if ($li_shorten_only == true) {
 
 function bve($bv) {
     global $mysqli;
-    $query1 = "SELECT `rid` FROM `redirinfo` WHERE baseval='{$bv}'"; // Check if exists natura
+    $query1 = "SELECT `rid` FROM `redirinfo` WHERE baseval='{$bv}'"; // check if URL exists
     $result = $mysqli->query($query1);
     $row = mysqli_fetch_assoc($result);
     $existing = $row['rid'];
@@ -31,26 +31,26 @@ function bve($bv) {
     }
 }
 
-if(!strstr($_POST['urlr'], $protocol)) {
+if (!strstr($_POST['urlr'], $protocol)) {
 
     $urlr = "http".$protocol.trim($_POST['urlr']); //add http:// if :// not there
 }
 else {
     $urlr = trim($_POST['urlr']);
 }
-if(!filterurl($urlr)) {
+if (!filterurl($urlr)) {
     echo "You entered an invalid url<br>";
     echo "<a href='index.php'>Back</a>";
     die();
 }
-if($hpi !== $hp) {
+if ($hpi !== $hp) {
     echo "We have detected that you may be using automated methods to shorten links. <br>We offer a free API, please do not use our shorten page as an API.<br>If you are getting this message, but you are not a bot, please email support@polr.cf <br> Thanks.";
     die();
 }
 function rStr($length = 4) {
     return substr(str_shuffle("0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"), 0, $length);
 }
-if($ps == "s") {
+if ($ps == "s") {
 	// if secret url
 	$rstr = rStr(4);
 }
@@ -65,7 +65,6 @@ else {
 }
 
 $urlr = $mysqli->real_escape_string($urlr);
-//Other URL Shorteners List Array
 
 $isshort = array('polr.me', 'polr.cf','bit.ly','is.gd','tiny.cc','adf.ly','ur1.ca','goo.gl','ow.ly','j.mp','t.co');
 
@@ -75,7 +74,7 @@ foreach ($isshort as $url_shorteners) {
     echo "<a href='index.php'>Back</a>";
     die();
     }
-}$query1 = "SELECT `rid`,`lkey` FROM `redirinfo` WHERE `rurl`='{$urlr}' AND iscustom='no';"; // Check if exists naturally
+}$query1 = "SELECT `rid`,`lkey` FROM `redirinfo` WHERE `rurl`='{$urlr}' AND iscustom='no';"; // check if URL exists
 $result = $mysqli->query($query1);
 $row = mysqli_fetch_assoc($result);
 $existing = $row['rid'];
@@ -86,24 +85,25 @@ $customurl = $mysqli->real_escape_string($_POST['custom']);
 if($customurl == "") {
     $iscustom = "no";
 }
-//check custom url
-if($customurl!="") {
-        if(!ctype_alnum($customurl)) {
+
+// check if the custom URL ending is allowed
+if ($customurl!="") {
+        if (!ctype_alnum($customurl)) {
             echo "<b>Symbols or spaces are not allowed in a customized URL - alphanumeric only. <a href='index.php'>Try again</a></b>";
             die();
         }
-        if(strlen($customurl)>20) {
+        if (strlen($customurl)>20) {
             echo "<b>The maximum length for a custom url is 20 letters. <a href='index.php'>Try again</a></b>";
             die();
         }
 }
 if(!$existing || $customurl!="" || $ps=="s" || $lkey_ex) {
-        // If does not exist or creating custom URL. If requesting a secret link, recreate as well.
+        // if URL does not exist, creating custom URL, or requesting a secret link, recreate the URL.
 		$query1 = "SELECT MAX(rid) AS `rid` FROM `redirinfo` WHERE `iscustom`='no';";
 		$result = $mysqli->query($query1);
 		$row = mysqli_fetch_assoc($result);
 		$ridr = $row['rid'];
-		// Check if next URL in base32 has been occupied by a custom url
+		// check if next baseval in base32 has been occupied by a custom url
         $q_checkbv = "SELECT `baseval` FROM `redirinfo` WHERE `rid`='{$ridr}';";
         $perform_cbv = $mysqli->query($q_checkbv);
         $cbvr = mysqli_fetch_assoc($perform_cbv);
@@ -117,28 +117,28 @@ if(!$existing || $customurl!="" || $ps=="s" || $lkey_ex) {
         }
 
 
-        if($customurl!="") {
-			// creating custom URL?
+        if ($customurl!="") {
+            // if user is creating a custom URL
             $baseval = $customurl;
             $iscustom = "yes";
-            $query = "SELECT `rid` FROM `redirinfo` WHERE `baseval`='{$customurl}';"; //check if baseval used already
+            $query = "SELECT `rid` FROM `redirinfo` WHERE `baseval`='{$customurl}';"; // check if baseval is occupied
             $result = $mysqli->query($query);
             $row = mysqli_fetch_assoc($result);
             $custom_existing = $row['rid'];
-            if($custom_existing) {
+            if ($custom_existing) {
                 echo "The custom shorturl ending you specified is already in use. <a href='index.php'>Try again</a>";
                 die();
             }
         }
-        if($ps == "p" || !$ps) {
+        if ($ps == "p" || !$ps) {
 			$query2 = "INSERT INTO `redirinfo` (baseval,rurl,ip,user,iscustom,country) VALUES ('{$baseval}','{$urlr}','{$ip}','{$userinfo['username']}','{$iscustom}','{$country_code}');";
         }
-        else if($ps=="s") {
+        else if ($ps=="s") {
 			$query2 = "INSERT INTO `redirinfo` (baseval,rurl,ip,user,iscustom,lkey,country) VALUES ('{$baseval}','{$urlr}','{$ip}','{$userinfo['username']}','{$iscustom}','{$rstr}','{$country_code}');";
 			$baseval .= "?".$rstr;
         }
 
-        $result2r = $mysqli->query($query2);// or showerror();
+        $result2r = $mysqli->query($query2);
         $basewsa = base64_encode($wsa);
         $basebv =base64_encode($baseval);
         echo "<input type='hidden' value='$basebv' id='j' /><input type='hidden' value='$basewsa' id='k' />";
@@ -146,7 +146,7 @@ if(!$existing || $customurl!="" || $ps=="s" || $lkey_ex) {
         echo "<div style='text-align:center;padding-left:11%;padding-right:11%;'><h3>URL:</h3> <input type='text' id='i' onselect=\"select_text();\" onclick=\"select_text();\" readonly=\"readonly\" class='form-control' value=\"Please enable Javascript\" />";
         }
 else {
-	// Already exists. Fetch from DB and send over.
+	//if already exists, send the previously shortened URL baseval back to the client
     $query1 = "SELECT `baseval` FROM `redirinfo` WHERE `rurl`='{$urlr}' AND iscustom='no'";
     $result = $mysqli->query($query1);
     $row = mysqli_fetch_assoc($result);
@@ -156,7 +156,7 @@ else {
     echo "<input type='hidden' value='$basebv' id='j' /><input type='hidden' value='$basewsa' id='k' />";
     echo $decodescript;
     echo "<div style='text-align:center;padding-left:11%;padding-right:11%;'><h3>URL:</h3> <input type='text' id='i' onselect=\"select_text();\" onclick=\"select_text();\" readonly=\"readonly\" class='form-control' value=\"Please enable JavaScript\" />";
-    }
+}
 echo '<br><a href="index.php" class="btn btn-primary btn-large">Shorten Another Link</a></div><script>function select_text(){var a=document.getElementById("i");a&&(a.focus(),a.select())}window.onload=select_text;</script>';
 
 require_once('layout-footerlg.php');