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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
1857                l=d.location,
1858                e=encodeURIComponent,
1859                u=f+'?u='+e(l.href)+'&t='+e(d.title)+'&s='+e(s)+'&v=4';
1860                a=function(){if(!w.open(u,'t','toolbar=0,resizable=1,scrollbars=1,status=1,width=720,height=570'))l.href=u;};
1861                if (/Firefox/.test(navigator.userAgent)) setTimeout(a, 0); else a();
1862                void(0)";
1863
1864      $link = str_replace(array("\r", "\n", "\t"),  '', $link);
1865
1866      return apply_filters('shortcut_link', $link);
1867 }
1868
1869 /**
1870  * Retrieve the home url for the current site.
1871  *
1872  * Returns the 'home' option with the appropriate protocol, 'https' if
1873  * is_ssl() and 'http' otherwise. If $scheme is 'http' or 'https', is_ssl() is
1874  * overridden.
1875  *