WP hooks navigation: Home/browse • Actions index • Filters index
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 |
---|---|
996 | * Filters the list table sortable columns for a specific screen. |
997 | * |
998 | * The dynamic portion of the hook name, `$this->screen->id`, refers |
999 | * to the ID of the current screen, usually a string. |
1000 | * |
1001 | * @since 3.5.0 |
1002 | * |
1003 | * @param array $sortable_columns An array of sortable columns. |
1004 | */ |
1005 | $_sortable = apply_filters( "manage_{$this->screen->id}_sortable_columns", $sortable_columns ); |
1006 |
|
1007 | $sortable = array(); |
1008 | foreach ( $_sortable as $id => $data ) { |
1009 | if ( empty( $data ) ) |
1010 | continue; |
1011 |
|
1012 | $data = (array) $data; |
1013 | if ( !isset( $data[1] ) ) |
1014 | $data[1] = false; |