Google Book API Searching By Name,Type,Title...Order

//index.php pge

<form action="result.php" method="post">
<table>
<tr><td>Enter The Book Name:<input type="text" name="srch" id="srch" /></td></tr>
<tr><td>Select The Type:
<select id="myfiter" name="myfiter"/>
<option value="ebooks">Ebooks</option>
<option value="paid-ebooks">Paid Ebooks</option>
<option value="free-ebooks">Free Ebooks</option>
<option value="full">Full View</option>
<option value="partial">Ebooks</option>
</select>
</td></tr>

<tr><td>Select The Print Type:
<select id="printType" name="printType"/>
<option value="all">All Type</option>
<option value="books">Books</option>
<option value="magazines">Magazines</option>
</select>
</td></tr>

<tr><td>Order By:
<select id="order" name="order"/>
<option value="relevance">Relevance</option>
<option value="newest">Newest</option>
</select>
</td></tr>

<tr><td>No Of Result:
<select id="limit" name="limit"/>
<?php
for($i=1; $i<=30; $i+=2){
 ?>
<option value="<?php echo $i;?>" <?php if($i==5){?>" selected="selected" <?php } ?>><?php echo $i; ?></option>
<?php } ?>
</select>
</td></tr>

<tr><td><input type="submit" name="sub" id="sub" /></td></tr>
</table>
</form>

//result.php page

<?php

//replace it with your own

$apikey ='Wamyyyjjjj00000mutguiopred90mmmopred'; 

if(isset($_REQUEST['srch'])){

$bookSearchTerm=$_REQUEST['srch'];

}

else{

$bookSearchTerm="Oscar Wilde";

}

$q = urlencode($bookSearchTerm);

if(isset($_REQUEST['myfiter'])){

$filter=$_REQUEST['myfiter'];

}

else{

$filter="free-ebooks";

}

if(isset($_REQUEST['printType'])){

$printType=$_REQUEST['printType'];

}

else{

$printType="books";

}

if(isset($_REQUEST['order'])){

$orderBy=$_REQUEST['order'];

}

else{

$orderBy="relevance";

}

if(isset($_REQUEST['limit'])){

$maxResults=$_REQUEST['limit'];

}

else{

$maxResults=5;

}

$url = 'https://www.googleapis.com/books/v1/volumes?q=' . $q . '&key=' . $apikey . '&filter=' . $filter.'&printType='.$printType.'&orderBy=' .$orderBy.'&maxResults=' . $maxResults;

$ch = curl_init();

curl_setopt($ch, CURLOPT_URL, $url);

curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);

curl_setopt ($ch, CURLOPT_SSL_VERIFYPEER, 0);

$body = curl_exec($ch);

curl_error($ch);

curl_close($ch);

// now, process the JSON string

$data = json_decode($body, true);

$num=count($data['items']);

  $cntr=1;

for($i=0; $i<$num; $i++){

   echo $cntr.")<br /> \n";

   $src=$data['items'][$i]['volumeInfo']['imageLinks']['smallThumbnail'];

   echo '<img src="'.$src.'" alt="error"> <br />';

   echo"<strong><font color=red>Title:</font></strong>" .$data['items'][$i]['volumeInfo']['title'], "<br />";

   echo "<strong><font color=red>Author:</font></strong>" .$data['items'][$i]['volumeInfo']['authors'][0], "<br />";

  

   if(isset($data['items'][$i]['volumeInfo']['publisher'])){

   echo "<strong><font color=red>Publisher:</font></strong>" .$data['items'][$i]['volumeInfo']['publisher'], "<br /> ";

   }

   echo "<strong><font color=red>Published Date:</font></strong>" .$data['items'][$i]['volumeInfo']['publishedDate'], "<br /> ";

    

   if(isset($data['items'][$i]['volumeInfo']['subtitle'])){

   echo "<strong><font color=red>Sub Title:</font></strong>" .$data['items'][$i]['volumeInfo']['subtitle'], "<br /> ";

   }

    if(isset($data['items'][$i]['volumeInfo']['pageCount'])){

   echo "<strong><font color=red>No of Page:</font></strong>" .$data['items'][$i]['volumeInfo']['pageCount'], "<br /> ";

   }

   echo "<strong><font color=red>Print Type:</font></strong>" .$data['items'][$i]['volumeInfo']['printType'], "<br /> ";

  

   if(isset($data['items'][$i]['volumeInfo']['categories'])){

   echo "<strong><font color=red>Categories:</font></strong>" .$data['items'][$i]['volumeInfo']['categories'][0], "<br /> ";

   }

   if($data['items'][$i]['volumeInfo']['language']=='en'){

   echo "<strong><font color=red>Language:</font></strong>","English", "<br /> ";

   }

   else{

   echo "<strong><font color=red>Language:</font></strong>" .$data['items'][$i]['volumeInfo']['language'], "<br /> ";

   }

    if(isset($data['items'][$i]['saleInfo']['buyLink'])){

  echo "<strong><font color=red>Buy Link:</font></strong> <a href=" .$data['items'][$i]['saleInfo']['buyLink'].">Buy-this-book</a> <br /> ";

}  

 

   if(isset($data['items'][$i]['saleInfo']['listPrice']['amount'])){

   echo "<strong><font color=red>List Price:</font></strong>" .$data['items'][$i]['saleInfo']['listPrice']['amount'].$data['items'][$i]['saleInfo']['listPrice']['currencyCode'], "<br /> ";

   }

   if($data['items'][$i]['saleInfo']['isEbook']==1){

   echo "<strong><font color=red>Is E-Book:</font> </strong>Yes<br /> ";

   }

  

  if(isset($data['items'][$i]['volumeInfo']['averageRating'])){

   echo "<strong><font color=red>Average Rating:</font></strong>" .$data['items'][$i]['volumeInfo']['averageRating'], "<br /> ";

   }

     if(isset($data['items'][$i]['volumeInfo']['ratingsCount'])){

   echo "<strong><font color=red>Ratings Count:</font></strong>" .$data['items'][$i]['volumeInfo']['ratingsCount'], "<br /> ";

   }

   echo "<strong><font color=red>Sale Info:</font></strong>" .$data['items'][$i]['saleInfo']['saleability'], "<br /> ";

   

   if(isset($data['items'][$i]['accessInfo']['pdf']['downloadLink'])){

   echo "<strong><font color=red>Free Pdf Available: </font></strong>  <a href=".$data['items'][$i]['accessInfo']['pdf']['downloadLink'].">Click-To-View</a> <br /> ";

   }

   if(isset($data['items'][$i]['volumeInfo']['description'])){

   echo "<strong><font color=red>Description:</font></strong>" .$data['items'][$i]['volumeInfo']['description'], "<br /> <br /><br />";

   }

   $cntr++;

}

?>

//Screenshot