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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 |
|---|---|
| 517 | return false; |
| 518 | |
| 519 | /** |
| 520 | * Fires immediately before an option is deleted. |
| 521 | * |
| 522 | * @since 2.9.0 |
| 523 | * |
| 524 | * @param string $option Name of the option to delete. |
| 525 | */ |
| 526 | do_action( 'delete_option', $option ); |
| 527 | |
| 528 | $result = $wpdb->delete( $wpdb->options, array( 'option_name' => $option ) ); |
| 529 | if ( ! wp_installing() ) { |
| 530 | if ( 'yes' == $row->autoload ) { |
| 531 | $alloptions = wp_load_alloptions(); |
| 532 | if ( is_array( $alloptions ) && isset( $alloptions[$option] ) ) { |
| 533 | unset( $alloptions[$option] ); |
| 534 | wp_cache_set( 'alloptions', $alloptions, 'options' ); |
| 535 | } |