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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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1331 |
|
1332 | /** |
1333 | * Filters the login page errors. |
1334 | * |
1335 | * @since 3.6.0 |
1336 | * |
1337 | * @param WP_Error $errors WP Error object. |
1338 | * @param string $redirect_to Redirect destination URL. |
1339 | */ |
1340 | $errors = apply_filters( 'wp_login_errors', $errors, $redirect_to ); |
1341 |
|
1342 | // Clear any stale cookies. |
1343 | if ( $reauth ) { |
1344 | wp_clear_auth_cookie(); |
1345 | } |
1346 |
|
1347 | login_header( __( 'Log In' ), '', $errors ); |
1348 |
|
1349 | if ( isset( $_POST['log'] ) ) { |