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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 |
|---|---|
| 1661 | */ |
| 1662 | function convert_to_screen( $screen ) { |
| 1663 | $screen = str_replace( array('.php', '-new', '-add', '-network', '-user' ), '', $screen); |
| 1664 | |
| 1665 | if ( is_network_admin() ) |
| 1666 | $screen .= '-network'; |
| 1667 | elseif ( is_user_admin() ) |
| 1668 | $screen .= '-user'; |
| 1669 | |
| 1670 | $screen = (string) apply_filters( 'screen_meta_screen', $screen ); |
| 1671 | $screen = (object) array('id' => $screen, 'base' => $screen); |
| 1672 | return $screen; |
| 1673 | } |
| 1674 | |
| 1675 | function screen_meta($screen) { |
| 1676 | global $wp_meta_boxes, $_wp_contextual_help, $wp_list_table, $wp_current_screen_options; |
| 1677 | |
| 1678 | if ( is_string($screen) ) |
| 1679 | $screen = convert_to_screen($screen); |