In this tutorial, we will learn How to Upload a File in PHP with an example.
File upload in php
Contents
HTML
Creating a index.php file. in it create a one file type element for select a file and a button to submit the form.
<div id="custom-form-box" class="col-md-12">
<form id="" class="form" action="" method="post" enctype="multipart/form-data">
<h3 class="text-center text-info">File upload in PHP</h3>
<span ><?php echo $message;?></span>
<div class="form-group">
<label for="username" class="text-info">Username:</label><br>
<input type="file" id="file-upload" name="uploadedFile" class="form-control">
</div>
<div class="form-group submit_div">
<input type="submit" name="uploadBtn" class="btn btn-info btn-md" value="upload">
</div>
</form>
</div>
PHP
Create a upload folder to store image files.
Read file extension and Initialized valid extensions Array $valid_extensions.
Check if file extension exists in $valid_extensions Array or not. If exists then upload a file.
<?php
$message='';
if(isset($_FILES['uploadedFile']['name'])){
// get upload file name
$filename = $_FILES['uploadedFile']['name'];
// set upload loacation.
$uploadlocation = 'upload/'.$filename;
// Get file extensions
$file_extension = pathinfo($uploadlocation, PATHINFO_EXTENSION);
$file_extension = strtolower($file_extension);
// Valid file extensions
$valid_ext = array("pdf","doc","docx","jpg","png","jpeg","xls");
$response = 0;
//Check Valid file extensions
if(in_array($file_extension,$valid_ext)){
// Upload file
if(move_uploaded_file($_FILES['uploadedFile']['tmp_name'],$uploadlocation)){
$message = "file Uploaded!";
}else{
$message = "Something went wrong!";
}
}else{
$message = "Please select valid file type.";
}
}
?>
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