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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 |
|---|---|
| 641 | if ( is_array( $alloptions ) && isset( $alloptions[$option] ) ) { |
| 642 | unset( $alloptions[$option] ); |
| 643 | wp_cache_set( 'alloptions', $alloptions, 'options' ); |
| 644 | } |
| 645 | } else { |
| 646 | wp_cache_delete( $option, 'options' ); |
| 647 | } |
| 648 | } |
| 649 | if ( $result ) { |
| 650 | do_action( "delete_option_$option", $option ); |
| 651 | do_action( 'deleted_option', $option ); |
| 652 | return true; |
| 653 | } |
| 654 | return false; |
| 655 | } |
| 656 | |
| 657 | /** |
| 658 | * Delete a transient |
| 659 | * |