How to Upload File in PHP

File upload is the most used feature in web applications. PHP provides an easy way to upload file to the server. With PHP, you can upload files or images to the server by writing minimal code. In this tutorial, we’ll show you how to upload file in PHP and build a PHP script to upload file to the directory on the server. With this example PHP file upload script you can upload all types of files including images to the server in PHP.

Upload Form HTML

At first, define HTML form elements to allow the user to select a file they want to upload.
Make sure <form> tag contains the following attributes.

  • method="post"
  • enctype="multipart/form-data"

Also, make sure <input> tag contains type="file" attribute.

<form action="upload.php" method="post" enctype="multipart/form-data">
    Select File to Upload:
    <input type="file" name="file">
    <input type="submit" name="submit" value="Upload">
</form>

The above file upload form will be submitted to the server-side script (upload.php) for uploading the selected file to the server.

Upload File in PHP (upload.php)

This upload.php file contains server-side code to handle the file upload process using PHP.

  • PHP provides a built-in function named move_uploaded_file() that moves an uploaded file to a new location. Using move_uploaded_file() function we can upload a file in PHP.
  • In the $targetDir variable, specify the desire upload folder path where the uploaded file will be stored on the server.
  • In the $allowTypes variable, specify the types of the file in array format that you want to allow to upload.
  • Use PHP move_uploaded_file() function to upload file to the server.
<?php
$statusMsg 
'';

//file upload path
$targetDir "uploads/";
$fileName basename($_FILES["file"]["name"]);
$targetFilePath $targetDir $fileName;
$fileType pathinfo($targetFilePath,PATHINFO_EXTENSION);

if(isset(
$_POST["submit"]) && !empty($_FILES["file"]["name"])) {
    
//allow certain file formats
    
$allowTypes = array('jpg','png','jpeg','gif','pdf');
    if(
in_array($fileType$allowTypes)){
        
//upload file to server
        
if(move_uploaded_file($_FILES["file"]["tmp_name"], $targetFilePath)){
            
$statusMsg "The file ".$fileName" has been uploaded.";
        }else{
            
$statusMsg "Sorry, there was an error uploading your file.";
        }
    }else{
        
$statusMsg 'Sorry, only JPG, JPEG, PNG, GIF, & PDF files are allowed to upload.';
    }
}else{
    
$statusMsg 'Please select a file to upload.';
}

//display status message
echo $statusMsg;
?>

Do you want to get implementation help, or enhance the functionality of this script? Click here to Submit Service Request

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