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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
1813                l=d.location,
1814                e=encodeURIComponent,
1815                u=f+'?u='+e(l.href)+'&t='+e(d.title)+'&s='+e(s)+'&v=4';
1816                a=function(){if(!w.open(u,'t','toolbar=0,resizable=1,scrollbars=1,status=1,width=720,height=570'))l.href=u;};
1817                if (/Firefox/.test(navigator.userAgent)) setTimeout(a, 0); else a();
1818                void(0)";
1819
1820      $link = str_replace(array("\r", "\n", "\t"),  '', $link);
1821
1822      return apply_filters('shortcut_link', $link);
1823 }
1824
1825 /**
1826  * Retrieve the home url for the current site.
1827  *
1828  * Returns the 'home' option with the appropriate protocol, 'https' if
1829  * is_ssl() and 'http' otherwise. If $scheme is 'http' or 'https', is_ssl() is
1830  * overridden.
1831  *