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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.
| Line | Code |
|---|---|
| 1412 | global $type, $tab, $pagenow; |
| 1413 | |
| 1414 | $flash_action_url = admin_url('async-upload.php'); |
| 1415 | |
| 1416 | // If Mac and mod_security, no Flash. :( |
| 1417 | $flash = true; |
| 1418 | if ( false !== stripos($_SERVER['HTTP_USER_AGENT'], 'mac') && apache_mod_loaded('mod_security') ) |
| 1419 | $flash = false; |
| 1420 | |
| 1421 | $flash = apply_filters('flash_uploader', $flash); |
| 1422 | $post_id = isset($_REQUEST['post_id']) ? intval($_REQUEST['post_id']) : 0; |
| 1423 | |
| 1424 | $upload_size_unit = $max_upload_size = wp_max_upload_size(); |
| 1425 | $sizes = array( 'KB', 'MB', 'GB' ); |
| 1426 | for ( $u = -1; $upload_size_unit > 1024 && $u < count( $sizes ) - 1; $u++ ) |
| 1427 | $upload_size_unit /= 1024; |
| 1428 | if ( $u < 0 ) { |
| 1429 | $upload_size_unit = 0; |
| 1430 | $u = 0; |