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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 |
|---|---|
| 223 | |
| 224 | /** |
| 225 | * Filters the Global Unique Identifier (guid) of the post. |
| 226 | * |
| 227 | * @since 1.5.0 |
| 228 | * |
| 229 | * @param string $guid Global Unique Identifier (guid) of the post. |
| 230 | * @param int $id The post ID. |
| 231 | */ |
| 232 | return apply_filters( 'get_the_guid', $guid, $id ); |
| 233 | } |
| 234 | |
| 235 | /** |
| 236 | * Display the post content. |
| 237 | * |
| 238 | * @since 0.71 |
| 239 | * |
| 240 | * @param string $more_link_text Optional. Content for when there is more text. |
| 241 | * @param bool $strip_teaser Optional. Strip teaser content before the more text. Default false. |