View file Remove image backgrounds/remove-bg/dark/admin-pannel/upload.php

<?php
function uploadImage($file) {
    $target_dir = "uploads/"; // specify your uploads directory
    $target_file = $target_dir . basename($file["name"]);
    $imageFileType = strtolower(pathinfo($target_file, PATHINFO_EXTENSION));
    
    // Check if image file is a actual image or fake image
    $check = getimagesize($file["tmp_name"]);
    if ($check === false) {
        echo "File is not an image.";
        return null;
    }

    // Check file size (you can set the maximum size according to your requirements)
    if ($file["size"] > 500000) {
        echo "Sorry, your file is too large.";
        return null;
    }

    // Allow certain file formats
    $allowedFormats = ["jpg", "jpeg", "png", "gif"];
    if (!in_array($imageFileType, $allowedFormats)) {
        echo "Sorry, only JPG, JPEG, PNG & GIF files are allowed.";
        return null;
    }

    // Check if file already exists
    if (file_exists($target_file)) {
        echo "Sorry, file already exists.";
        return null;
    }

    // if everything is ok, try to upload file
    if (move_uploaded_file($file["tmp_name"], $target_file)) {
        return $target_file; // return the path where the image was saved
    } else {
        echo "Sorry, there was an error uploading your file.";
        return null;
    }
}
?>