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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
1905                l=d.location,
1906                e=encodeURIComponent,
1907                u=f+'?u='+e(l.href)+'&t='+e(d.title)+'&s='+e(s)+'&v=4';
1908                a=function(){if(!w.open(u,'t','toolbar=0,resizable=1,scrollbars=1,status=1,width=720,height=570'))l.href=u;};
1909                if (/Firefox/.test(navigator.userAgent)) setTimeout(a, 0); else a();
1910                void(0)";
1911
1912      $link = str_replace(array("\r", "\n", "\t"),  '', $link);
1913
1914      return apply_filters('shortcut_link', $link);
1915 }
1916
1917 /**
1918  * Retrieve the home url for the current site.
1919  *
1920  * Returns the 'home' option with the appropriate protocol,  'https' if
1921  * is_ssl() and 'http' otherwise. If $scheme is 'http' or 'https', is_ssl() is
1922  * overridden.
1923  *