I recently attempted to use a collapse button to display content from a php query. The collapse button will show the content enclosed, but not collapse once it is opened. I troubleshooted many different possibilities that could be causing this issue, and only one gave me progress, which was putting the bootstrap JS CDN before the JQuery one. This made the collapse button work and it looked great, but it also broke a lot of my code and I got a console error warning me that Bootstrap's CDN should be after JQuery. For the record, I also attempted to move the if statement contained in the Div outside of it and use a variable instead, and it made no difference.
Here is a snipped of my code (Note that $comments is an array from php):
echo "<head>
<meta charset='utf-8'>
<meta name='viewport' content='width=device-width, initial-scale=1, shrink-to-fit=no'>
<link rel='stylesheet' href='https://stackpath.bootstrapcdn.com/bootstrap/4.5.0/css/bootstrap.min.css' integrity='sha384-9aIt2nRpC12Uk9gS9baDl411NQApFmC26EwAOH8WgZl5MYYxFfc+NcPb1dKGj7Sk' crossorigin='anonymous'>
<link rel='stylesheet' href='styles.css'>
<title>MelodyMate</title>
<script src='https://code.jquery.com/jquery-3.5.1.slim.min.js' integrity='sha384-DfXdz2htPH0lsSSs5nCTpuj/zy4C+OGpamoFVy38MVBnE+IbbVYUew+OrCXaRkfj' crossorigin='anonymous'></script>
<script src='https://cdn.jsdelivr.net/npm/[email protected]/dist/umd/popper.min.js' integrity='sha384-Q6E9RHvbIyZFJoft+2mJbHaEWldlvI9IOYy5n3zV9zzTtmI3UksdQRVvoxMfooAo' crossorigin='anonymous'></script>
<script src='https://stackpath.bootstrapcdn.com/bootstrap/4.5.0/js/bootstrap.min.js' integrity='sha384-OgVRvuATP1z7JjHLkuOU7Xw704+h835Lr+6QL9UvYjZE3Ipu6Tp75j7Bh/kR0JKI' crossorigin='anonymous'></script>
</head>
<body>
<button type='button' class='btn btn-primary' data-toggle='collapse' data-target='#replies'>View Replies</button>
<div id='replies' class='collapse'>";
if (isset($comments)){
$numofcomments = count($comments);
$commentnum = 0;
while ($commentnum != $numofcomments){
echo $comments[$commentnum];
$commentnum = $commentnum+1;
}
}
echo "
</div>
</body>";
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PHP (from the English Hypertext Preprocessor - hypertext preprocessor) is a scripting programming language for developing web applications. Supported by most hosting providers, it is one of the most popular tools for creating dynamic websites.
The PHP scripting language has gained wide popularity due to its processing speed, simplicity, cross-platform, functionality and distribution of source codes under its own license.
https://www.php.net/
Slim is, as its name suggests, a micro-framework that is compact and fast. The reason for its such characteristics lies in the fact that it is completely independent of third-party code. It was created in 2010, at the moment its most recent version is 4.5.0.
https://www.slimframework.com/
JQuery is arguably the most popular JavaScript library with so many features for modern development. JQuery is a fast and concise JavaScript library created by John Resig in 2006. It is a cross-platform JavaScript library designed to simplify client-side HTML scripting. Over 19 million websites are currently using jQuery! Companies like WordPress, Facebook, Google, IBM and many more rely on jQuery to provide a kind of web browsing experience.
https://jquery.com/
CSS (Cascading Style Sheets) is a formal language for describing the appearance of a document written using a markup language.
It is mainly used as a means of describing, decorating the appearance of web pages written using HTML and XHTML markup languages, but can also be applied to any XML documents, such as SVG or XUL.
https://www.w3.org/TR/CSS/#css
Bootstrap is not exclusively a CSS framework, but its most popular features are CSS-centric. These include a powerful grid, icons, buttons, map components, navigation bars, and more.
https://getbootstrap.com/
HTML (English "hyper text markup language" - hypertext markup language) is a special markup language that is used to create sites on the Internet.
Browsers understand html perfectly and can interpret it in an understandable way. In general, any page on the site is html-code, which the browser translates into a user-friendly form. By the way, the code of any page is available to everyone.
https://www.w3.org/html/
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