PHP - Bootstrap Conflict, Universal Selector Issue

I have the following php block that works on an existing bootstrap webpage:

      <?php 
      $isos = glob('download/*.iso');
      $iso = $isos[count($isos) -1];
      $isoname =  basename($iso);
      $isodown = "/".$isoname;
      $md5file = md5_file($iso);

       $pdfs = glob('download/foxcloneV*.pdf');
       $pdf = $pdfs[count($pdfs) -1]; 
       $pdfname = basename($pdf);
     
       $debs = glob('download/*.deb');
       $deb = $debs[count($debs) - 1];
       $debname =  basename($deb);;                   
      
       $srcs = glob('download/*.tar.*');
       $src = $srcs[count($srcs) - 1];
       $srcname = ltrim($src,'download/');                   
     ?>

When I try to use it in a non-bootstrap website, it fails with the following errors:

Notice: Undefined offset: -1 in /home/larry/web/test2/public_html/download.php on line 104

Warning: md5_file(): Filename cannot be empty in /home/larry/web/test2/public_html/download.php on line 106

Notice: Undefined offset: -1 in /home/larry/web/test2/public_html/download.php on line 109

Notice: Undefined offset: -1 in /home/larry/web/test2/public_html/download.php on line 113

Notice: Undefined offset: -1 in /home/larry/web/test2/public_html/download.php on line 117

Each of these failures is the line after the glob. Is the glob failing or is the syntax wrong for non-bootstrap use? Either way, my thinking is that php should behave the same regardless of what the base model for the website is. Both the bootstrap and non-bootstrap sites are running locally under apache2.4 and php7.2.

Can someone provide some insight? 

hey @requinix, I know you and I have talked about this before but I just want to clarify this issue.  Sadly, I have produced very few websites that have made use of dynamics in the form of database querying.  But, the next project that I'm looking at will require it.  The last thing I did with a query string involved the recording of downloads of file on a website.  and on the page, I had this code:

The archive is located he    <a href="dl.php?f=archive.zip">archive.zip</a>

and the ''dl'' page had this code:

if(!$_GET['f']) error('Missing parameter!');

        $stmt = $conn->prepare("INSERT INTO tblDownloads (ip, file, date, time) 
        VALUES (?, ?, ?, ?)");
        $stmt->bind_param("ssss", $ip, $file, $date, $time);
        $stmt->execute();
        $stmt->close();
        $conn->close();
	
	    header("Location: archive.zip");
	    exit;

and all the variables in the above ''dl'' page are declared in a file that is required by it, called ""conn.php"".

My question for anyone here is:

I am going to be producing a website similar to the testing site called ""jsFiddle"":  https://jsfiddle.net/ .  And it is slated to have a huge amount of content on it.  for example, a main page might have 100 links on it whereby, if a user clicks on any of them, it should take them to another page (or load async content) that illustrates and example of any given issue being asked about.  So, I know we've talked about $_GET before Requinix, and how most websites use it to produce dynamic content.  And we've also talked about the concept of markdown.  But once again, can someone here remind me....what's the best way to go about doing this?  Storing the actual ""answer to the issue"" content in a backend database and pulling/displaying it appropriately, kind of like what I am showing I did with the file in the above code?  thanks.

Adam

Most of the websites I have built have not been large and not dynamic in nature, but I need to make one now with a boatload of content on it. and I’m needing a little resource help where I can research something. I’m sure all developers do this, and I know I need a massive database or 2 and the PHP knowledge I already have, but I’m just looking for a little guidance about how to do this the easiest way. It may actually sound like a stupid question and I might be over-thinking a bit. So…

Lets say I have 500 articles that I want to make available to a site visitor and give them the option to choose what they want to look at through nav menus and submenus. I want the same page to display to the user, regardless of what article is chosen.  how does PHP play a part in that? Would I be right by saying the following?

If the home page had this content on it:

This website is a course in PHP coding. <a href="courseTemplate.php" target="_blank">Click here</a> to view course #1.

and I wanted all the course content to be displayed through the use of the “courseTemplate.php” file, how simple is that? I would assume that these types of things would be the results and the techniques to accomplish the goal, right?

=> a resulting URL that looks like this:

www.site.com/courseTemplate.php?id=1

=> storing all the text of the course material in one single field of a DB record. NOT storing the layout-oriented code (HTML, etc.) and echoing it out with the rest of the text.

=> making use of the GET() function somehow to pull the course’s text content out of the database.

Can someone show me a website that demonstrates this? I don’t think this is very difficult, and I’m sure there are web resources available that show how this is done. I’m almost sure that most news agency websites do this, and I know for a fact that most forum software has this template technique written into it, regardless if SEO is included or not. Sorry for the basic nature of this question. I know some of my previous posts have been such where I’ve asked much more difficult questions than this. I have seen youtube tutorials on issues similar to this, but nothing pulled up by google really shows this in a very simplistic nature. thanks.

Hello all,

I have a website with a form that I want a user to fill out then if it is valid I have the button submit and I want it to email me. The message. If success full I want a message to popup on screen saying success I am using bootstrap 4

<div class="messageSuccess"></div>
            <div class="row">
                <div class="col-md-9 mb-md-0 mb-5">
                    <form id="contact-form" name="contact-form" action="" method="post"> <!--action="contactEmail.php" -->
                        <div class="row ">
                            <div class="col-md-6 ">
                                <div class="md-form mb-0 ">
                                    <input class="form-control" type="text" id="txtName" name="txtName" required />
                                    <label for="txtName">Your Name </label>
                                    <div class="nameError"></div>
                                </div>
                            </div>
                            <div class="col-md-6 ">
                                <div class="md-form mb-0 ">
                                    <input class="form-control" type="text" id="txtEmail" name="txtEmail" required />
                                    <label id="lblEmail" for="txtEmail">Your Email Address </label>
                                </div>
                            </div>
                        </div>
                        <div class="row">
                            <div class="col-md-12">
                                <div class="md-form mb-0">
                                    <input class="form-control" type="text" id="txtSubject" name="txtSubject"  data-error="Subject Here" required />
                                    <label for="txtSubject">Subject </label>
                                    <div class="help-block with-errors"></div>
                                </div>
                            </div>
                        </div>
                        <div class="row">
                            <div class="col-md-12">
                                <div class="md-form">
                                    <textarea class="form-control" type="text" id="txtMessage" name="txtMessage" rows="4" required data-error="Please leave us a message."></textarea>
                                    <label for="txtMessage">Your Message </label>
                                </div>
                            </div>
                        </div>                    
                    <div class="text-center text-md-left">
                        <input type="submit" id="BtnFormSubmit" class="btn btn-primary btn-xl text-white" value="Send Message" />
                    </div>
                    <div class="status"></div>
                    </form>
                <!-- JavaScript Inner File Form Validation -->
    <script type="text/javascript">
        $(document).ready(function () {
            var form = $("#contact-form");
            var name = $("#txtName").val();
            var email = $("#txtEmail").val();
            var subject = $("#txtSubject").val();
            var message = $("#txtMessage").val();
            var btnSubmit = $("BtnFormSubmit");

            $(form).submit(function (event) {
                
                if (this.checkValidity() == false) {
                    $(this).addClass("was-validated");
                    event.preventDefault();
                    event.stopPropagation();
                }

                alert("Form Valid to create message");
                if (!event.isDefaultPrevented) {
                    alert("passed prevent default");
                    var url = "testemail.php";
                    // POST values 'ajax'
                    $.ajax({
                        type: "POST",
                        url: url,
                        data: $(this).serialize(),
                        success: function (data) {  // done:
                            // data = JSON object object for contactEmail.php
                            // recieve message type: success | danger
                            var messageAlert = "alert- " + data.type;
                            var messageText = data.message;
                            // Bootstrap alert box HTML
                            var alertBox = '<div class="alert ' + messageAlert + ' alert-dismissable"><button type="button" class="close" ' +
                                           'data-dismiss="alert" aria-hidden="true">&times;</button>' + messageText + '</div>';
                            // if messageAlert and messageText
                            if (messageAlert && messageText) {
                                // Put message on page in messageSuccess section.
                                $(form).find("#messageSuccess").html(alertBox);
                                // Reset the form.
                                $(form)[0].reset();
                            }
                        }
                    });
                    //return false;
                }

            });
                       

            //$(name).blur(function () {
            //})

            // Validate :inputs
            $(":input").blur(function () {
                let controlType = this.type;

                switch (controlType) {
                    case "text":
                    case "password":
                    case "textarea":
                        validateText($(this));
                        break;
                    case "email":
                        validateEmail($(this));
                        break;
                    default:
                        break;
                }
            });
            
            // each :input focusin remove existing validation messages if any.
            $(":input").click(function () {
                $(this).removeClass("is-valid is-invalid");
            })

            /* OPTIONAL ':input' KEYDOWN validation messages remove */

            // Reset Form and remove all validation messages.
            $(":reset").click(function () {
                $(":input").removeClass("is-valid is-invalid");
                $(form).removeClass("was-validated");
            });
        });

        // Validate Text Function
        function validateText(control) {
            let textField = control.val();
            if (textField.length > 1) {
                $(control).addClass("is-valid");
            } else {
                $(control).addClass("is-invalid");
            }
        }

        // Validate Email Function (Email newer regex: /^([\w-\.]+@([\w-]+\.)+[\w-]{2,6})?$/  )
        function validateEmail(control) {
            let textField = control.val();
            let regexPattern = /^\b[A-Z0-9._%-]+@[A-Z0-9.-]+\.[A-Z]{2,6}\b$/i;
            if (regexPattern.test(textField)) {
                $(control).addClass("is-valid");
            } else {
                $(control).addClass("is-invalid");
            }            
        }
    </script>
<?php

$from = 'SampleEmail@YourEmail.com';
$sendTo = 'sample@Gmail.com';
$subject = 'Your Message Subject Here';// Email Message Contact Form Fields
// Array - ($varName => Text from controls)
$controls = array('txtName' => 'Name', 'txtEmail' => 'Email', 'txtSubjext' => 'Subject', 'txtMessage' => 'Message');
$successMessage = 'Contact Message Successfully Sent. Thank you, I will get back to you soon.';
$errorMessage = 'There was an error submitting your message, Please try again. Or try later.';
error_reporting(E_ALL & ~E_NOTICE);
try {
	if(count($_POST) == 0) throw new \Exception('Contact Form Message is empty');
	$emailText = "You have a new message from your contact form\n------------------------------------------------------\n";
	foreach($_POST as $key => $value) {
		if(isset($controls[$key])) {
			$emailText .= "$controls[$key]: $value\n";
		}
	}
	$headers = array('Content-Type: text/plain; charset="UTF-8";',
					 'From: ' . $from,
					 'Reply-To: ' . $from,
					 'Return-Path: ' . $from,
					);
	// Send email
	mail($sendTo, $subject, $emailText, implode("\n", $headers));
	$responseArray = array('type' => 'success', 'message' => $successMessage);
}
catch(\Exception $e) {
	$responseArray = array('type' => 'danger', 'message' => $errorMessage);
}
// If AJAX request return JSON response **RARE**
if(!empty($_SERVER['HTTP_X_REQUESTED_WITH']) && strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) == 'xmlhttprequest') {
	$encodedJSON = json_encode($responseArray);
	header('Content-Type: application/json');
	echo $encodedJSON;
}
else {
	echo $responseArray['message'];
}
?>