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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
1940                l=d.location,
1941                e=encodeURIComponent,
1942                u=f+'?u='+e(l.href)+'&t='+e(d.title)+'&s='+e(s)+'&v=4';
1943                a=function(){if(!w.open(u,'t','toolbar=0,resizable=1,scrollbars=1,status=1,width=720,height=570'))l.href=u;};
1944                if (/Firefox/.test(navigator.userAgent)) setTimeout(a, 0); else a();
1945                void(0)";
1946
1947      $link = str_replace(array("\r", "\n", "\t"),  '', $link);
1948
1949      return apply_filters('shortcut_link', $link);
1950 }
1951
1952 /**
1953  * Retrieve the home url for the current site.
1954  *
1955  * Returns the 'home' option with the appropriate protocol, 'https' if
1956  * is_ssl() and 'http' otherwise. If $scheme is 'http' or 'https', is_ssl() is
1957  * overridden.
1958  *