index.php

<?php
include('include/header.php');
include('include/functions.php');
$error=false;
if(isset($_GET['q']))
{
    $username = $_GET['q'];
    if(!strlen($username)<1)
    {
        $username = str_replace(' ','+',$username);
        $response = searchUser($username);
        $total_count = $response['total_count'];
        if($total_count>1 || $total_count==1)
            {
                $response = $response['items'];
            }
            else
            {
                $error=true;
                $error = "No Record Found";
            }
    }
    else
    {
        $error=true;
        $error = "No Record Found";
    }
}
?>
    <div class="center">
        <h5 class="center red-text">
            <?php
                if(isset($error))
                {
                    echo $error;
                }
            ?>
        </h5>
    </div>

    <div class="container">    
                <div class="row">
                    <div class="col s12 m12 l12">
                    <form action="" method="get" align="center">
            <div class="input-field">
                <input type="text" name="q" id="username" placeholder="Search User" style="border: 2px solid black; border-radius:20px; "><br>
            </div>
            <input type="submit"class="btn black" style="height:50px; border-radius:50px;" name="" value="Search User" id=""><br><br>
        </form>
                    </div>
                </div>
    </div>
        
        <div class="row">
        <?php 
                    if($error)
                    {
                        exit();
                    }
                    if(isset($_GET['q']))
                    {
                        foreach($response as $item)
                        {
                            $name = $item['login'];
                            $avatar_url = $item['avatar_url'];
                        ?>
                <div class="col l2 m2 s6">  
                  <div class="card hoverable " style="border-radius: 20px 20px 0px 0px; border-top: 10px solid black; border-right: 1px solid black; border-left: 1px solid black;">
                    <div class=""style="padding: 20px 20px 0px 20px;" >
                      <img style=" border: 3px solid black;" src="<?php if(isset($avatar_url)) echo $avatar_url; ?>" alt="" class="z-depth-1 circle responsive-img">
                    </div>
                    <b><p class="center" style="margin-top: 0px;"><?php if(isset($name)) echo $name; ?></p></b>
                    <div class="card-saction center">
                      <a href="user.php?username=<?php if(isset($name)) echo $name; ?>" class="btn black" style="width: 100%; ">More</a>
                    </div>
                  </div>
                </div>
                <?php
                        }
                    }
                    ?>
        </div>

      <!--JavaScript at end of body for optimized loading-->
      <script type="text/javascript" src="js/materialize.min.js"></script>
    </body>
  </html>