Upload Base64 Image with PHP

upload-base64-image-file.php

$base64_img = $_POST['img'];
$split = explode(',', substr($base64_img, 5), 2);
$mime = $split[0];
$img_data = $split[1];
$mime_split_without_base64 = explode(';', $mime, 2);
$mime_split = explode('/', $mime_split_without_base64[0], 2);

if (count($mime_split) == 2) {
  // get file extension
  $extension = $mime_split[1];
  // decode base64 string
  $decoded = base64_decode($img_data);
  // create filename
  $filename = date('H-i-s') . '.' . $extension;
  // returns falsy if unsuccessful
  $upload_file = file_put_contents($upload_path . $filename, $decoded);
} else {
 // data not formatted correctly
}