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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 |
|---|---|
| 210 | |
| 211 | /** |
| 212 | * Filter the Global Unique Identifier (guid) of the post. |
| 213 | * |
| 214 | * @since 1.5.0 |
| 215 | * |
| 216 | * @param string $guid Global Unique Identifier (guid) of the post. |
| 217 | * @param int $id The post ID. |
| 218 | */ |
| 219 | return apply_filters( 'get_the_guid', $guid, $id ); |
| 220 | } |
| 221 | |
| 222 | /** |
| 223 | * Display the post content. |
| 224 | * |
| 225 | * @since 0.71 |
| 226 | * |
| 227 | * @param string $more_link_text Optional. Content for when there is more text. |
| 228 | * @param bool $strip_teaser Optional. Strip teaser content before the more text. Default is false. |