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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 |
|---|---|
| 79 | |
| 80 | if ( ! empty( $tabs ) ) { |
| 81 | echo "<ul id='sidemenu'>\n"; |
| 82 | if ( isset( $redir_tab ) && array_key_exists( $redir_tab, $tabs ) ) { |
| 83 | $current = $redir_tab; |
| 84 | } elseif ( isset( $_GET['tab'] ) && array_key_exists( $_GET['tab'], $tabs ) ) { |
| 85 | $current = $_GET['tab']; |
| 86 | } else { |
| 87 | /** This filter is documented in wp-admin/media-upload.php */ |
| 88 | $current = apply_filters( 'media_upload_default_tab', $default ); |
| 89 | } |
| 90 | |
| 91 | foreach ( $tabs as $callback => $text ) { |
| 92 | $class = ''; |
| 93 | |
| 94 | if ( $current == $callback ) { |
| 95 | $class = " class='current'"; |
| 96 | } |
| 97 | |