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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 |
|---|---|
| 74 | function ms_site_check() { |
| 75 | |
| 76 | /** |
| 77 | * Filters checking the status of the current blog. |
| 78 | * |
| 79 | * @since 3.0.0 |
| 80 | * |
| 81 | * @param bool null Whether to skip the blog status check. Default null. |
| 82 | */ |
| 83 | $check = apply_filters( 'ms_site_check', null ); |
| 84 | if ( null !== $check ) { |
| 85 | return true; |
| 86 | } |
| 87 | |
| 88 | // Allow super admins to see blocked sites |
| 89 | if ( is_super_admin() ) { |
| 90 | return true; |
| 91 | } |
| 92 | |