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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 |
|---|---|
| 283 | |
| 284 | /** |
| 285 | * Filters the XML-RPC user login error message. |
| 286 | * |
| 287 | * @since 3.5.0 |
| 288 | * |
| 289 | * @param string $error The XML-RPC error message. |
| 290 | * @param WP_User $user WP_User object. |
| 291 | */ |
| 292 | $this->error = apply_filters( 'xmlrpc_login_error', $this->error, $user ); |
| 293 | return false; |
| 294 | } |
| 295 | |
| 296 | wp_set_current_user( $user->ID ); |
| 297 | return $user; |
| 298 | } |
| 299 | |
| 300 | /** |
| 301 | * Check user's credentials. Deprecated. |