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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 |
|---|---|
| 594 | // This option exists now |
| 595 | $notoptions = wp_cache_get( 'notoptions', 'options' ); // yes, again... we need it to be fresh |
| 596 | if ( is_array( $notoptions ) && isset( $notoptions[$name] ) ) { |
| 597 | unset( $notoptions[$name] ); |
| 598 | wp_cache_set( 'notoptions', $notoptions, 'options' ); |
| 599 | } |
| 600 | |
| 601 | $wpdb->insert($wpdb->options, array('option_name' => $name, 'option_value' => $value, 'autoload' => $autoload) ); |
| 602 | |
| 603 | do_action( "add_option_{$name}", $name, $value ); |
| 604 | return; |
| 605 | } |
| 606 | |
| 607 | /** |
| 608 | * Removes option by name and prevents removal of protected WordPress options. |
| 609 | * |
| 610 | * @package WordPress |
| 611 | * @subpackage Option |
| 612 | * @since 1.2.0 |