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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 |
|---|---|
| 3109 | /** |
| 3110 | * Filter the output of the XHTML generator tag for display. |
| 3111 | * |
| 3112 | * @since 2.5.0 |
| 3113 | * |
| 3114 | * @param string $generator_type The generator output. |
| 3115 | * @param string $type The type of generator to output. Accepts 'html', |
| 3116 | * 'xhtml', 'atom', 'rss2', 'rdf', 'comment', 'export'. |
| 3117 | */ |
| 3118 | echo apply_filters( 'the_generator', get_the_generator($type), $type ) . "\n"; |
| 3119 | } |
| 3120 | |
| 3121 | /** |
| 3122 | * Creates the generator XML or Comment for RSS, ATOM, etc. |
| 3123 | * |
| 3124 | * Returns the correct generator type for the requested output format. Allows |
| 3125 | * for a plugin to filter generators on an individual basis using the |
| 3126 | * 'get_the_generator_{$type}' filter. |
| 3127 | * |