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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 |
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227 |
|
228 | /** |
229 | * Filter the XML-RPC user login error message. |
230 | * |
231 | * @since 3.5.0 |
232 | * |
233 | * @param string $error The XML-RPC error message. |
234 | * @param WP_User $user WP_User object. |
235 | */ |
236 | $this->error = apply_filters( 'xmlrpc_login_error', $this->error, $user ); |
237 | return false; |
238 | } |
239 |
|
240 | wp_set_current_user( $user->ID ); |
241 | return $user; |
242 | } |
243 |
|
244 | /** |
245 | * Check user's credentials. Deprecated. |