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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 |
|---|---|
| 119 | // Define upload directory constants. |
| 120 | ms_upload_constants(); |
| 121 | |
| 122 | /** |
| 123 | * Fires after the current site and network have been detected and loaded |
| 124 | * in multisite's bootstrap. |
| 125 | * |
| 126 | * @since 4.6.0 |
| 127 | */ |
| 128 | do_action( 'ms_loaded' ); |
| 129 | |