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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 |
|---|---|
| 1036 | /** |
| 1037 | * Filter whether to show the Screen Options tab. |
| 1038 | * |
| 1039 | * @since 3.2.0 |
| 1040 | * |
| 1041 | * @param bool $show_screen Whether to show Screen Options tab. |
| 1042 | * Default true. |
| 1043 | * @param WP_Screen $this Current WP_Screen instance. |
| 1044 | */ |
| 1045 | $this->_show_screen_options = apply_filters( 'screen_options_show_screen', $show_screen, $this ); |
| 1046 | return $this->_show_screen_options; |
| 1047 | } |
| 1048 | |
| 1049 | /** |
| 1050 | * Render the screen options tab. |
| 1051 | * |
| 1052 | * @since 3.3.0 |
| 1053 | * |
| 1054 | * @global array $wp_meta_boxes |