ici<?php
if ($_SERVER['REQUEST_METHOD'] == 'POST') {
  if (isset($_FILES['file'])) {
    $file_name = $_FILES['file']['name'];
    $file_tmp = $_FILES['file']['tmp_name'];
    $file_type = $_FILES['file']['type'];
    $file_size = $_FILES['file']['size'];
    $file_error = $_FILES['file']['error'];
    
    if ($file_error === UPLOAD_ERR_OK) {
      // Check file size (max 2MB)
      if ($file_size > 2097152) {
        echo "File size exceeds 2MB limit.";
        exit();
      }
      
      // Check file type
      $allowed_types = array('image/jpeg', 'image/png', 'image/gif');
      if (!in_array($file_type, $allowed_types)) {
        echo "Invalid file type.";
        exit();
      }
      
      // Move uploaded file to a permanent location
      $file_destination = 'uploads/' . $file_name;
      if (!move_uploaded_file($file_tmp, $file_destination)) {
        echo "Error uploading file.";
        exit();
      }
      
      echo "File uploaded successfully!";
    } else {
      echo "Error uploading file.";
      exit();
    }
  } else {
    echo "No file uploaded.";
    exit();
  }
}
?>

<form action="" method="post" enctype="multipart/form-data">
  <input type="file" name="file">
  <input type="submit" value="Upload">
</form>