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Gets the current network based on the value of the $current_site global variable. Note that the terminology of "site" used in the function and variable name is old.
<code style="color: #000000"><span style="color: #0000BB"><?php get_current_site</span><span style="color: #007700">(); </span><span style="color: #0000BB">?></span></code>
None
get_current_site() is located in wp-includes/ms-functions.php.