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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 |
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20 | $redirect_network_admin_request = ( 0 !== strcasecmp( $current_blog->domain, $current_site->domain ) || 0 !== strcasecmp( $current_blog->path, $current_site->path ) ); |
21 |
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22 | /** |
23 | * Filters whether to redirect the request to the Network Admin. |
24 | * |
25 | * @since 3.2.0 |
26 | * |
27 | * @param bool $redirect_network_admin_request Whether the request should be redirected. |
28 | */ |
29 | $redirect_network_admin_request = apply_filters( 'redirect_network_admin_request', $redirect_network_admin_request ); |
30 |
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31 | if ( $redirect_network_admin_request ) { |
32 | wp_redirect( network_admin_url() ); |
33 | exit; |
34 | } |
35 |
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36 | unset( $redirect_network_admin_request ); |
37 |
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