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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 |
|---|---|
| 129 | } |
| 130 | |
| 131 | /** |
| 132 | * After the roles have been initialized, allow plugins to add their own roles. |
| 133 | * |
| 134 | * @since 4.7.0 |
| 135 | * |
| 136 | * @param WP_Roles $this A reference to the WP_Roles object. |
| 137 | */ |
| 138 | do_action( 'wp_roles_init', $this ); |
| 139 | } |
| 140 | |
| 141 | /** |
| 142 | * Reinitialize the object |
| 143 | * |
| 144 | * Recreates the role objects. This is typically called only by switch_to_blog() |
| 145 | * after switching wpdb to a new site ID. |
| 146 | * |
| 147 | * @since 3.5.0 |