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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 |
|---|---|
| 177 | * |
| 178 | * @since 2.8 |
| 179 | * |
| 180 | * @return unknown |
| 181 | */ |
| 182 | function get_editable_roles() { |
| 183 | global $wp_roles; |
| 184 | |
| 185 | $all_roles = $wp_roles->roles; |
| 186 | $editable_roles = apply_filters('editable_roles', $all_roles); |
| 187 | |
| 188 | return $editable_roles; |
| 189 | } |
| 190 | |
| 191 | /** |
| 192 | * Retrieve user data and filter it. |
| 193 | * |
| 194 | * @since 2.0.5 |
| 195 | * |