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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 |
---|---|
1354 | // TODO: Add key #2 with longer expiration. |
1355 |
|
1356 | /** |
1357 | * Filter the valid Signing keys used to verify the contents of files. |
1358 | * |
1359 | * @since 5.2.0 |
1360 | * |
1361 | * @param array $trusted_keys The trusted keys that may sign packages. |
1362 | */ |
1363 | return apply_filters( 'wp_trusted_keys', $trusted_keys ); |
1364 | } |
1365 |
|
1366 | /** |
1367 | * Unzips a specified ZIP file to a location on the filesystem via the WordPress |
1368 | * Filesystem Abstraction. |
1369 | * |
1370 | * Assumes that WP_Filesystem() has already been called and set up. Does not extract |
1371 | * a root-level __MACOSX directory, if present. |
1372 | * |