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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 |
|---|---|
| 1278 | |
| 1279 | /** |
| 1280 | * Filter the list of TinyMCE buttons for the fullscreen |
| 1281 | * 'Distraction-Free Writing' editor. |
| 1282 | * |
| 1283 | * @since 3.2.0 |
| 1284 | * |
| 1285 | * @param array $buttons An array of TinyMCE buttons for the DFW editor. |
| 1286 | */ |
| 1287 | $buttons = apply_filters( 'wp_fullscreen_buttons', $buttons ); |
| 1288 | |
| 1289 | foreach ( $buttons as $button => $args ) { |
| 1290 | if ( 'separator' == $args ) { |
| 1291 | continue; |
| 1292 | } |
| 1293 | |
| 1294 | $onclick = ! empty( $args['onclick'] ) ? ' onclick="' . $args['onclick'] . '"' : ''; |
| 1295 | $title = esc_attr( $args['title'] ); |
| 1296 | ?> |