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Need some help with a PHP project


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Hey guys, I'm new to PHP. I mean brand new. I've been an ASP.NET (VB/C#) developer for over 14 years and this is my first attempt at a PHP project. I've avoided it for a long time and now find myself in a highly-paid project that I just couldn't turn down. I'm using XAMPP as my dev framework with Visual Studio (PHP plugin installed) as my IDE. 

 

There is a mobile component to this project and I have been able to successfully connect to and pull database records out and use json_encode to retrieve the results as JSON data. So I know my connection works and everything seems ok.

 

The other part of this is a backend admin dashboard of sorts that allows an 82 year old invididual to make changes to the underlying data. Fine. I created a folder at the root of my site called admin, created a new index.php file, added the code shown below, tested the page, and the result is a blank white page. Not knowing PHP I'm just not aware of the nuiancess of the language so I don't even know where to look. Any ideas would be very helpful. I'm sure I'll have other questions as I progress through this project. Thanks.

<?php
$con=mysqli_connect("127.0.0.1","root","","coatstr");
// Check connection
if (mysqli_connect_errno())
{
    echo "Failed to connect to MySQL: " . mysqli_connect_error();
}

$result = mysqli_query($con,"SELECT standard_id, organization_id, item_no, standard_no, title, keywords, abstract, link FROM standards");

while($row = mysqli_fetch_array($result))
{
    echo $row['standard_id'] . "<br>";
    echo $row['organization_id'] . "<br>";
    echo $row['item_no'] . "<br>";
    echo $row['standard_no'] . "<br>";
    echo $row['title'] . "<br>";
    echo $row['keywords'] . "<br>";
    echo $row['abstract'] . "<br>";
    echo $row['link'] . "<br>";
    echo "<br>";
}

mysqli_close($con);
?>
Edited by xfilterx
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