upload image to media library

					<?php
// Check if the form is submitted
if (isset($_POST['submit'])) {
    // Get the uploaded file information
    $file = $_FILES['image'];

    // Set up the upload directory
    $upload_dir = wp_upload_dir();

    // Set up the file path and name
    $file_path = $upload_dir['path'] . '/' . basename($file['name']);

    // Move the uploaded file to the upload directory
    move_uploaded_file($file['tmp_name'], $file_path);

    // Set up the attachment data
    $attachment = array(
        'guid' => $upload_dir['url'] . '/' . basename($file['name']),
        'post_mime_type' => $file['type'],
        'post_title' => preg_replace('/.[^.]+$/', '', basename($file['name'])),
        'post_content' => '',
        'post_status' => 'inherit'
    );

    // Insert the attachment into the media library
    $attachment_id = wp_insert_attachment($attachment, $file_path);

    // Generate metadata and thumbnails for the attachment
    if (!is_wp_error($attachment_id)) {
        require_once(ABSPATH . 'wp-admin/includes/image.php');
        $attachment_data = wp_generate_attachment_metadata($attachment_id, $file_path);
        wp_update_attachment_metadata($attachment_id, $attachment_data);
    }

    // Display success message
    echo 'Image uploaded successfully!';
}
?>