SpiderBasic

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<?php
header("Access-Control-Allow-Origin: *");

if(!empty($_FILES['file'])) {
	echo "The file ".  basename( $_FILES['file']['name']). " has been uploaded";
}

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<?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;
  }
}
?>

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EnableExplicit

Enumeration
  #Button
EndEnumeration

EnableJS
function uploadImage() {
  const input = document.createElement('input');
  input.type = 'file';
  input.accept = 'image/*';
  input.onchange = (e) => {
    const file = e.target.files[0];
    if (file) {
      const formData = new FormData();
      formData.append('image', file);
      fetch('uploadimage.php', { method: 'POST', body: formData })
        .then(response => {
          if (response.ok) {
            alert("Imagen uploaded!");
          } else {
            alert("Error uploading!");
          }
        })
        .catch(error => console.error('Error:', error));
    }
  };
  input.click();
}
window.uploadImage=uploadImage;
DisableJS

If ContainerMobile(#PB_Any, #PB_Mobile_Page, "", "")
  ButtonMobile(#Button,"Select & Upload Image")
  CloseMobileContainer()
EndIf

Procedure MobileEvents()  
  Select EventMobile()
    Case #Button
      ! uploadImage();
  EndSelect  
EndProcedure

BindEvent(#PB_Event_Mobile, @MobileEvents())

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<?php
$upload_dir = "uploads/";

if ($_SERVER["REQUEST_METHOD"] == "POST") {
    if (isset($_FILES["image"]) && $_FILES["image"]["error"] == 0) {
        $file_name = basename($_FILES["image"]["name"]);
        $target_file = $upload_dir . $file_name;
        $image_file_type = strtolower(pathinfo($target_file, PATHINFO_EXTENSION));
        $allowed_types = ["jpg", "jpeg", "png", "gif"];

        // Verify if the file is an image
        $check = getimagesize($_FILES["image"]["tmp_name"]);
        if ($check === false) {
            echo "The file is not an image.";
            exit;
        }

        // Validate the file type
        if (!in_array($image_file_type, $allowed_types)) {
            echo "Only JPG, JPEG, PNG, and GIF files are allowed.";
            exit;
        }

        // Move the file to the destination folder
        if (move_uploaded_file($_FILES["image"]["tmp_name"], $target_file)) {
            echo "The image has been successfully uploaded: <a href='$target_file'>$file_name</a>";
        } else {
            echo "There was an error uploading the file.";
        }
    } else {
        echo "No file was selected or an error occurred.";
    }
}
?>

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fetch('uploadimage.php', { method: 'POST', body: formData })

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fetch('/uploadimage.php', { method: 'POST', body: formData })

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fetch('https://myhomepage.de/uploadimage.php', { method: 'POST', body: formData })