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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 |
|---|---|
| 1286 | // TODO: Add key #2 with longer expiration. |
| 1287 | |
| 1288 | /** |
| 1289 | * Filter the valid Signing keys used to verify the contents of files. |
| 1290 | * |
| 1291 | * @since 5.2.0 |
| 1292 | * |
| 1293 | * @param array $trusted_keys The trusted keys that may sign packages. |
| 1294 | */ |
| 1295 | return apply_filters( 'wp_trusted_keys', $trusted_keys ); |
| 1296 | } |
| 1297 | |
| 1298 | /** |
| 1299 | * Unzips a specified ZIP file to a location on the filesystem via the WordPress |
| 1300 | * Filesystem Abstraction. |
| 1301 | * |
| 1302 | * Assumes that WP_Filesystem() has already been called and set up. Does not extract |
| 1303 | * a root-level __MACOSX directory, if present. |
| 1304 | * |