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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 |
|---|---|
| 662 | if ( is_array( $alloptions ) && isset( $alloptions[$option] ) ) { |
| 663 | unset( $alloptions[$option] ); |
| 664 | wp_cache_set( 'alloptions', $alloptions, 'options' ); |
| 665 | } |
| 666 | } else { |
| 667 | wp_cache_delete( $option, 'options' ); |
| 668 | } |
| 669 | } |
| 670 | if ( $result ) { |
| 671 | do_action( "delete_option_$option", $option ); |
| 672 | do_action( 'deleted_option', $option ); |
| 673 | return true; |
| 674 | } |
| 675 | return false; |
| 676 | } |
| 677 | |
| 678 | /** |
| 679 | * Delete a transient |
| 680 | * |