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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 |
|---|---|
| 4699 | /** |
| 4700 | * Filters the output of the XHTML generator tag for display. |
| 4701 | * |
| 4702 | * @since 2.5.0 |
| 4703 | * |
| 4704 | * @param string $generator_type The generator output. |
| 4705 | * @param string $type The type of generator to output. Accepts 'html', |
| 4706 | * 'xhtml', 'atom', 'rss2', 'rdf', 'comment', 'export'. |
| 4707 | */ |
| 4708 | echo apply_filters( 'the_generator', get_the_generator( $type ), $type ) . "\n"; |
| 4709 | } |
| 4710 | |
| 4711 | /** |
| 4712 | * Creates the generator XML or Comment for RSS, ATOM, etc. |
| 4713 | * |
| 4714 | * Returns the correct generator type for the requested output format. Allows |
| 4715 | * for a plugin to filter generators on an individual basis using the |
| 4716 | * {@see 'get_the_generator_$type'} filter. |
| 4717 | * |