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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 |
|---|---|
| 819 | /** |
| 820 | * Fires immediately before a specific transient is deleted. |
| 821 | * |
| 822 | * The dynamic portion of the hook name, `$transient`, refers to the transient name. |
| 823 | * |
| 824 | * @since 3.0.0 |
| 825 | * |
| 826 | * @param string $transient Transient name. |
| 827 | */ |
| 828 | do_action( "delete_transient_{$transient}", $transient ); |
| 829 | |
| 830 | if ( wp_using_ext_object_cache() || wp_installing() ) { |
| 831 | $result = wp_cache_delete( $transient, 'transient' ); |
| 832 | } else { |
| 833 | $option_timeout = '_transient_timeout_' . $transient; |
| 834 | $option = '_transient_' . $transient; |
| 835 | $result = delete_option( $option ); |
| 836 | |
| 837 | if ( $result ) { |