The code defines a PHP function `petstory_upload_img` that takes an...

March 28, 2023 at 05:19 PM

<?php function petstory_upload_img($data){ $upload_dir = wp_upload_dir(); $upload_path = str_replace('/', DIRECTORY_SEPARATOR, $upload_dir['path']) . DIRECTORY_SEPARATOR; $img = substr($data['src'], strpos($data['src'], ",") + 1); $img = str_replace(' ', '+', $img); $decoded = base64_decode($img); $hashed_filename = md5($data['name'] . microtime()) . '_' . $data['name']; // Save the image in the uploads directory. $upload_file = file_put_contents($upload_path . $hashed_filename, $decoded); $attachment = [ 'post_mime_type' => $data['type'], 'post_title' => $hashed_filename, 'post_content' => '', 'post_status' => 'publish', 'guid' => $upload_dir['url'] . '/' . basename($hashed_filename) ]; return wp_insert_attachment($attachment, $upload_dir['path'] . '/' . $hashed_filename); } ?>

The code defines a PHP function petstory_upload_img that takes an array $data as input. The function does the following:

  1. Gets the path to the WordPress uploads directory using the wp_upload_dir() function.
  2. Converts the forward slashes in the upload directory path to the appropriate DIRECTORY_SEPARATOR for the server OS.
  3. Extracts the base64-encoded image data from the $data['src'] string and replaces any spaces with plus signs.
  4. Decodes the base64-encoded image data into binary data.
  5. Generates a unique filename for the image by hashing the current time and the original file name from the $data array.
  6. Saves the decoded image data as a file in the WordPress uploads directory using the generated hashed filename.
  7. Creates an attachment object with metadata about the uploaded image, including the MIME type, title, content, status, and URL.
  8. Inserts the attachment into the WordPress database using the wp_insert_attachment() function and returns the attachment's ID.

Overall, this function takes image data from a client-side form submission, saves it to the WordPress uploads directory, creates an attachment post in the WordPress database, and returns the ID of the new attachment.

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