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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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180 | * match the format used by API methods internally (that is, the `status` |
181 | * data should be used). A callback can return `true` to indicate that |
182 | * the authentication method was used, and it succeeded. |
183 | * |
184 | * @since 4.4.0 |
185 | * |
186 | * @param WP_Error|null|true $errors WP_Error if authentication error, null if authentication |
187 | * method wasn't used, true if authentication succeeded. |
188 | */ |
189 | return apply_filters( 'rest_authentication_errors', null ); |
190 | } |
191 |
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192 | /** |
193 | * Converts an error to a response object. |
194 | * |
195 | * This iterates over all error codes and messages to change it into a flat |
196 | * array. This enables simpler client behavior, as it is represented as a |
197 | * list in JSON rather than an object/map. |
198 | * |