Apakah operasi Bootstrap biasa dalam pengaturcaraan PHP?

<link rel="stylesheet" href="https://cdn.bootcss.com/bootstrap/3.3.7/css/bootstrap.min.css">
<script src="https://cdn.bootcss.com/jquery/2.1.1/jquery.min.js"></script>
<script src="https://cdn.bootcss.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>

<link rel="stylesheet" href="path/to/bootstrap.min.css">
<script src="path/to/jquery.min.js"></script>
<script src="path/to/bootstrap.min.js"></script>

<ul class="nav nav-tabs">
    <li class="active"><a href="#">Home</a></li>
    <li><a href="#">Profile</a></li>
    <li><a href="#">Messages</a></li>
</ul>

<table class="table table-striped">
    <thead>
        <tr>
            <th>#</th>
            <th>First Name</th>
            <th>Last Name</th>
            <th>Username</th>
        </tr>
    </thead>
    <tbody>
        <tr>
            <td>1</td>
            <td>Mark</td>
            <td>Otto</td>
            <td>@mdo</td>
        </tr>
        <tr>
            <td>2</td>
            <td>Jacob</td>
            <td>Thornton</td>
            <td>@fat</td>
        </tr>
        <tr>
            <td>3</td>
            <td>Larry</td>
            <td>the Bird</td>
            <td>@twitter</td>
        </tr>
    </tbody>
</table>

<form>
    <div class="form-group">
        <label for="exampleInputName1">Name</label>
        <input type="text" class="form-control" id="exampleInputName1" placeholder="Enter name">
    </div>
    <div class="form-group">
        <label for="exampleInputEmail1">Email</label>
        <input type="email" class="form-control" id="exampleInputEmail1" placeholder="Enter email">
    </div>
    <div class="form-group">
        <label for="exampleInputPassword1">Password</label>
        <input type="password" class="form-control" id="exampleInputPassword1" placeholder="Password">
    </div>
    <div class="form-group">
        <label for="exampleInputFile">File input</label>
        <input type="file" id="exampleInputFile">
        <p class="help-block">Example block-level help text here.</p>
    </div>
    <div class="checkbox">
        <label>
            <input type="checkbox"> Check me out
        </label>
    </div>
    <button type="submit" class="btn btn-default">Submit</button>
</form>

<div class="modal fade" tabindex="-1" role="dialog" aria-labelledby="myModalLabel">
    <div class="modal-dialog" role="document">
        <div class="modal-content">
            <div class="modal-header">
                <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
                <h4 class="modal-title" id="myModalLabel">Modal title</h4>
            </div>
            <div class="modal-body">
                <p>Modal body text goes here.</p>
            </div>
            <div class="modal-footer">
                <button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
                <button type="button" class="btn btn-primary">Save changes</button>
            </div>
        </div>
    </div>
</div>