The post-plupload-upload-ui WordPress PHP action fires after the upload interface loads.
Usage
add_action('post-plupload-upload-ui', 'your_custom_function'); function your_custom_function() { // your custom code here }
Parameters
- None
More information
See WordPress Developer Resources: post-plupload-upload-ui
Examples
Display a custom message after the upload interface loads
add_action('post-plupload-upload-ui', 'display_custom_message'); function display_custom_message() { echo '<p><strong>Note:</strong> Please ensure that your files are not larger than 2MB.</p>'; }
Show a warning if uploading a certain file type
add_action('post-plupload-upload-ui', 'display_file_type_warning'); function display_file_type_warning() { echo '<p><strong>Warning:</strong> Uploading PDF files is not recommended.</p>'; }
Display a message with upload guidelines
add_action('post-plupload-upload-ui', 'display_upload_guidelines'); function display_upload_guidelines() { echo '<p><strong>Upload Guidelines:</strong> Please use descriptive file names and avoid using special characters.</p>'; }
Show a message for users to compress their images before uploading
add_action('post-plupload-upload-ui', 'display_image_compression_message'); function display_image_compression_message() { echo '<p><strong>Tip:</strong> Compress your images before uploading to improve page load times.</p>'; }
Display a message about supported file formats
add_action('post-plupload-upload-ui', 'display_supported_formats_message'); function display_supported_formats_message() { echo '<p><strong>Supported Formats:</strong> JPEG, PNG, GIF, and BMP.</p>'; }