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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.
This hook occurs 2 times in this file.
| Line | Code |
|---|---|
| 189 | /** |
| 190 | * Filters whether the given user can be authenticated with the provided password. |
| 191 | * |
| 192 | * @since 2.5.0 |
| 193 | * |
| 194 | * @param WP_User|WP_Error $user WP_User or WP_Error object if a previous |
| 195 | * callback failed authentication. |
| 196 | * @param string $password Password to check against the user. |
| 197 | */ |
| 198 | $user = apply_filters( 'wp_authenticate_user', $user, $password ); |
| 199 | if ( is_wp_error( $user ) ) { |
| 200 | return $user; |
| 201 | } |
| 202 | |
| 203 | if ( ! wp_check_password( $password, $user->user_pass, $user->ID ) ) { |
| 204 | return new WP_Error( |
| 205 | 'incorrect_password', |
| 206 | sprintf( |
| 207 | /* translators: %s: User name. */ |
| Line | Code |
| 260 | |
| 261 | if ( ! $user ) { |
| 262 | return new WP_Error( |
| 263 | 'invalid_email', |
| 264 | __( 'Unknown email address. Check again or try your username.' ) |
| 265 | ); |
| 266 | } |
| 267 | |
| 268 | /** This filter is documented in wp-includes/user.php */ |
| 269 | $user = apply_filters( 'wp_authenticate_user', $user, $password ); |
| 270 | |
| 271 | if ( is_wp_error( $user ) ) { |
| 272 | return $user; |
| 273 | } |
| 274 | |
| 275 | if ( ! wp_check_password( $password, $user->user_pass, $user->ID ) ) { |
| 276 | return new WP_Error( |
| 277 | 'incorrect_password', |
| 278 | sprintf( |