added special search

fetch.php

@@ -6,6 +6,80 @@
             return $base_url;
         }
 
+        function special_search($query) 
+        {
+            $query_lower = strtolower($query);
+
+            // Check for currency convesion
+            if (str_contains($query_lower, "to"))
+                convert_currency($query);
+            
+            // Check for definition 
+            else if (str_contains($query_lower, "mean"))
+                define_word($query);
+        }
+
+        function convert_currency($query)
+        {
+            $split_query = explode(" ", $query);
+
+            if (count($split_query) >= 4) 
+            {
+                $amount_to_convert =  floatval($split_query[0]);   
+
+                if ($amount_to_convert != 0) 
+                {
+                    $base_currency = strtoupper($split_query[1]);
+                    $currency_to_convert = strtoupper($split_query[3]);
+
+                    $ch = curl_init("https://cdn.moneyconvert.net/api/latest.json");
+                    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
+                    $response = curl_exec($ch);
+                    $json_response = json_decode($response, true);
+                    
+                    $rates =  $json_response["rates"];
+
+                    if (array_key_exists($base_currency, $rates) && array_key_exists($currency_to_convert, $rates))
+                    {
+                        $base_currency_response = $rates[$base_currency];
+                        $currency_to_convert_response = $rates[$currency_to_convert];
+    
+                        $conversion_result = ($currency_to_convert_response / $base_currency_response) * $amount_to_convert;
+    
+                        echo "<p id=\"special-result\">";
+                        echo  "$amount_to_convert $base_currency = $conversion_result $currency_to_convert";
+                        echo "</p>";
+                    }                    
+                }
+            }
+        }
+
+        function define_word($query) 
+        {
+            $split_query = explode(" ", $query);
+            
+            if (count($split_query) >= 2)
+            {
+                $reversed_split_q = array_reverse($split_query);
+                $word_to_define = $reversed_split_q[1];
+
+                $ch = curl_init("https://api.dictionaryapi.dev/api/v2/entries/en/$word_to_define");
+                curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
+                $response = curl_exec($ch);
+                $json_response = json_decode($response, true);
+
+                if (!array_key_exists("title", $json_response))
+                {
+                    $definition = $json_response[0]["meanings"][0]["definitions"][0]["definition"];
+
+                    echo "<p id=\"special-result\">";
+                    echo "$word_to_define meaning<br/>";
+                    echo "<br/>" . $definition . "<br/>";
+                    echo "</p>";
+                }
+            }
+        }
+
         function fetch_results($query, $page, $get_images=false) 
         {
             require("config.php");

search.php

@@ -29,7 +29,7 @@
                         $query = $_REQUEST["q"];
                         echo "value=\"$query\"";
 
-                        $_SESSION["q"] = $query;
+                        $_SESSION["q"] = trim($query);
                         $_SESSION["p"] = $_REQUEST["p"];
                         $_SESSION["type"] = $_REQUEST["type"];
                     } 

search_frame.php

@@ -29,9 +29,10 @@
             $end_time = number_format(microtime(true) - $start_time, 2, '.', '');
 
             echo "<p id=\"time\">Fetched the results in $end_time seconds</p>";
-
+            
             if ($_SESSION["type"] != "img") 
             {
+                special_search($query);
                 
                 foreach($results as $result)
                 {
@@ -78,6 +79,8 @@
             }
 
             require "session_destroy.php";
+
+            
         ?>
     </body>
 </html>

static/styles.css

@@ -99,7 +99,7 @@ img { padding:15px; }
 
 .small-search-container { margin:2%; }  
 
-.result-container, #time {
+.result-container, #time, #special-result {
     margin-left:10%;
 }
 
@@ -122,6 +122,12 @@ img { padding:15px; }
     margin-top:6px;
 }
 
+#special-result {
+    padding:10px;
+    border: 1px solid #bdc1c6;
+    width:500px;
+}
+
 .page-container {
     margin-bottom:70px;
     margin-left:15%;