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Understanding Source Code

The best way to understand what a hook does is to look at where it occurs in the source code.

Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.

Source View

Line Code
754           $this->register_globals();
756           /**
757            * Fires once the WordPress environment has been set up.
758            *
759            * @since 2.1.0
760            *
761            * @param WP $this Current WordPress environment instance (passed by reference).
762            */
763           do_action_ref_array( 'wp', array( &$this ) );
764      }
765 }