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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
1913                l=d.location,
1914                e=encodeURIComponent,
1915                u=f+'?u='+e(l.href)+'&t='+e(d.title)+'&s='+e(s)+'&v=4';
1916                a=function(){if(!w.open(u,'t','toolbar=0,resizable=1,scrollbars=1,status=1,width=720,height=570'))l.href=u;};
1917                if (/Firefox/.test(navigator.userAgent)) setTimeout(a, 0); else a();
1918                void(0)";
1919
1920      $link = str_replace(array("\r", "\n", "\t"),  '', $link);
1921
1922      return apply_filters('shortcut_link', $link);
1923 }
1924
1925 /**
1926  * Retrieve the home url for the current site.
1927  *
1928  * Returns the 'home' option with the appropriate protocol,  'https' if
1929  * is_ssl() and 'http' otherwise. If $scheme is 'http' or 'https', is_ssl() is
1930  * overridden.
1931  *