basic code for file upload in php
<?php
if(isset($_POST['upload_file'])){
$target_dir = "uploaded_files/";
$target_file = $target_dir . basename($_FILES["select_file"]["name"]);
$uploadOk = 1;
$imageFileType = strtolower(pathinfo($target_file,PATHINFO_EXTENSION));
$new_name = $target_dir."test_data.".$imageFileType;
if($imageFileType != "jpg"){
echo "File type is not supported";
}
else{
if(file_exists($target_file)){
echo "Sorry this file is already exists";
// for file deletion
// unlink($target_file);
// echo "file is deleted";
}
else{
if(move_uploaded_file($_FILES["select_file"]["tmp_name"], $new_name)){
echo "your file has been successfully uploaded";
}
else{
echo "please check your file";
}
}
}
}
else{
echo "kindly select the file for upload";
}
?>
//This is the minimal code for an image upload for first time learners
//html portion
<!DOCTYPE html>
<html>
<head>
<title>ImageUpload</title>
</head>
<body>
<form action="upload.php" method="post" enctype="multipart/form-data">
<label>Username</label>
<input type="text" name="username">
<br>
<label>UploadImage</label>
<input type="file" name='myfile'>
<br/>
<input type="submit" value="upload">
</form>
</body>
</html>
//php portion
<?php
$user=$_POST['username'];
$image=$_FILES['myfile'];
echo "Hello $user <br/>";
echo "File Name<b>::</b> ".$image['name'];
move_uploaded_file($image['tmp_name'],"photos/".$image['name']);
//here the "photos" folder is in same folder as the upload.php,
//otherwise complete url has to be mentioned
?>