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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 |
|---|---|
| 218 | $all_roles = wp_roles()->roles; |
| 219 | |
| 220 | /** |
| 221 | * Filter the list of editable roles. |
| 222 | * |
| 223 | * @since 2.8.0 |
| 224 | * |
| 225 | * @param array $all_roles List of roles. |
| 226 | */ |
| 227 | $editable_roles = apply_filters( 'editable_roles', $all_roles ); |
| 228 | |
| 229 | return $editable_roles; |
| 230 | } |
| 231 | |
| 232 | /** |
| 233 | * Retrieve user data and filter it. |
| 234 | * |
| 235 | * @since 2.0.5 |
| 236 | * |