upload file 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
?>
<?php
$target_dir = "uploads/";
$target_file = $target_dir . basename($_FILES["fileToUpload"]["name"]);
$uploadOk = 1;
$imageFileType =
strtolower(pathinfo($target_file,PATHINFO_EXTENSION));
// Check if image file is a actual image or fake image
if(isset($_POST["submit"])) {
$check = getimagesize($_FILES["fileToUpload"]["tmp_name"]);
if($check !== false) {
echo "File is an image - " . $check["mime"] . ".";
$uploadOk = 1;
} else {
echo "File is not an image.";
$uploadOk = 0;
}
}
// Check if file already exists
if (file_exists($target_file)) {
echo "Sorry, file already exists.";
$uploadOk = 0;
}
// Check file size
if ($_FILES["fileToUpload"]["size"] > 500000) {
echo "Sorry, your file is too large.";
$uploadOk = 0;
}
// Allow certain file formats
if($imageFileType != "jpg" && $imageFileType != "png" && $imageFileType != "jpeg"
&& $imageFileType != "gif" ) {
echo "Sorry, only JPG, JPEG, PNG & GIF files are allowed.";
$uploadOk = 0;
}
// Check if $uploadOk is set to 0 by an error
if ($uploadOk == 0) {
echo "Sorry, your file was not uploaded.";
// if everything is ok, try to upload file
} else {
if (move_uploaded_file($_FILES["fileToUpload"]["tmp_name"], $target_file)) {
echo "The file ". htmlspecialchars( basename( $_FILES["fileToUpload"]["name"])).
" has been uploaded.";
} else {
echo "Sorry, there was an error uploading your file.";
}
}
?>
<?php
if(isset($_FILES['image'])){
$errors= array();
$file_name = $_FILES['image']['name'];
$file_size =$_FILES['image']['size'];
$file_tmp =$_FILES['image']['tmp_name'];
$file_type=$_FILES['image']['type'];
$file_ext=strtolower(end(explode('.',$_FILES['image']['name'])));
$extensions= array("jpeg","jpg","png");
if(in_array($file_ext,$extensions)=== false){
$errors[]="extension not allowed, please choose a JPEG or PNG file.";
}
if($file_size > 2097152){
$errors[]='File size must be excately 2 MB';
}
if(empty($errors)==true){
move_uploaded_file($file_tmp,"images/".$file_name);
echo "Success";
}else{
print_r($errors);
}
}
?>
// To change: FILENAME, array with allowed extensions, Max Filesite, Filepath
if(upload("FILENAME", array("jpeg","jpg","png"), 209715, "C:/xampp/htdocs/")){
echo "Success";
}
function upload($f_name, $f_ext_allowed, $f_maxsize, $f_path){
$f_name_2 = $_FILES[$f_name]['name'];
$f_size = $_FILES[$f_name]['size'];
$f_tmp = $_FILES[$f_name]['tmp_name'];
$f_error = $_FILES[$f_name]['error'];
$f_ext = strtolower(end(explode('.',$f_name_2)));
$f_rename = $_SESSION['uid'] . "." . $f_ext;
if($f_error == 0 && in_array($f_ext, $f_ext_allowed)
&& $f_size < $f_maxsize && mb_strlen($f_name_2, "UTF-8") < 225
&& preg_match("`^[-0-9A-Z_\.]+$`i", $f_name_2)){
if(move_uploaded_file($f_tmp, $f_path . $f_name_2){
return true;
}else{
return false;
}
}else{
return false;
}
}
