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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 |
|---|---|
| 716 | } |
| 717 | |
| 718 | /** |
| 719 | * Fires immediately before an option is deleted. |
| 720 | * |
| 721 | * @since 2.9.0 |
| 722 | * |
| 723 | * @param string $option Name of the option to delete. |
| 724 | */ |
| 725 | do_action( 'delete_option', $option ); |
| 726 | |
| 727 | $result = $wpdb->delete( $wpdb->options, array( 'option_name' => $option ) ); |
| 728 | |
| 729 | if ( ! wp_installing() ) { |
| 730 | if ( 'yes' === $row->autoload ) { |
| 731 | $alloptions = wp_load_alloptions( true ); |
| 732 | if ( is_array( $alloptions ) && isset( $alloptions[ $option ] ) ) { |
| 733 | unset( $alloptions[ $option ] ); |
| 734 | wp_cache_set( 'alloptions', $alloptions, 'options' ); |