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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 |
|---|---|
| 294 | } |
| 295 | |
| 296 | /** |
| 297 | * Fires after the roles have been initialized, allowing plugins to add their own roles. |
| 298 | * |
| 299 | * @since 4.7.0 |
| 300 | * |
| 301 | * @param WP_Roles $wp_roles A reference to the WP_Roles object. |
| 302 | */ |
| 303 | do_action( 'wp_roles_init', $this ); |
| 304 | } |
| 305 | |
| 306 | /** |
| 307 | * Sets the site to operate on. Defaults to the current site. |
| 308 | * |
| 309 | * @since 4.9.0 |
| 310 | * |
| 311 | * @global wpdb $wpdb WordPress database abstraction object. |
| 312 | * |