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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 |
---|---|
1518 | // TODO: Add key #2 with longer expiration. |
1519 |
|
1520 | /** |
1521 | * Filters the valid signing keys used to verify the contents of files. |
1522 | * |
1523 | * @since 5.2.0 |
1524 | * |
1525 | * @param string[] $trusted_keys The trusted keys that may sign packages. |
1526 | */ |
1527 | return apply_filters( 'wp_trusted_keys', $trusted_keys ); |
1528 | } |
1529 |
|
1530 | /** |
1531 | * Unzips a specified ZIP file to a location on the filesystem via the WordPress |
1532 | * Filesystem Abstraction. |
1533 | * |
1534 | * Assumes that WP_Filesystem() has already been called and set up. Does not extract |
1535 | * a root-level __MACOSX directory, if present. |
1536 | * |