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To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).
The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
This hook occurs 2 times in this file.
| Line | Code |
|---|---|
| 172 | <div class="post-upload-ui"> |
| 173 | <?php |
| 174 | /** This action is documented in wp-admin/includes/media.php */ |
| 175 | do_action( 'pre-upload-ui' ); |
| 176 | /** This action is documented in wp-admin/includes/media.php */ |
| 177 | do_action( 'pre-plupload-upload-ui' ); |
| 178 | |
| 179 | if ( 10 === remove_action( 'post-plupload-upload-ui', 'media_upload_flash_bypass' ) ) { |
| 180 | /** This action is documented in wp-admin/includes/media.php */ |
| 181 | do_action( 'post-plupload-upload-ui' ); |
| 182 | add_action( 'post-plupload-upload-ui', 'media_upload_flash_bypass' ); |
| 183 | } else { |
| 184 | /** This action is documented in wp-admin/includes/media.php */ |
| 185 | do_action( 'post-plupload-upload-ui' ); |
| 186 | } |
| 187 | |
| 188 | $upload_size_unit = $max_upload_size = wp_max_upload_size(); |
| 189 | $byte_sizes = array( 'KB', 'MB', 'GB' ); |
| 190 | |
| 191 | for ( $u = -1; $upload_size_unit > 1024 && $u < count( $byte_sizes ) - 1; $u++ ) { |
| 192 | $upload_size_unit /= 1024; |
| 193 | } |
| 194 | |