[Solved] URL database opening using PHP

sourabh bisht Asks: URL database opening using PHP
phpmyadmin database

I want to open page from database using phpmyadmin, php, html. I have tried retrieving data from phpmyadmin using php

this is my Phpcode

     $id = $_GET['variableName'];
     echo $_GET['variableName']; 

     $sql = "select video from computernetwork where ID = '$id'";  
     $result = mysqli_quecomputernetworkry($con, $sql);  
     $row = mysqli_fetch_array($result, MYSQLI_ASSOC);  
     $count = mysqli_num_rows($result);  

     $_SESSION['video'] = $row['video'];
     fuction ($id) {
     header ("Location: " $sql);

This is my HTML code:

    <div class="mu-course-container">
    <div class="row">
    <div class="col-md-6 col-sm-6">
    <div class="mu-latest-course-single">
    <figure class="mu-latest-course-img">
    <figcaption class="mu-latest-course-imgcaption">
    <a href="#">Lecture-1</a>
    <span><a href="video.php?variableName='01'"><i class=""></i>Video Link</span> </a>
    <span><a href="index.php"><i class=""></i>PDF Link,</span> </a>
    <span class="mu-course-price" href="#"></span>

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