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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )
apply_filters( "hook_name", "what_to_filter" )
.Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
Line | Code |
---|---|
1716 | l=d.location, |
1717 | e=encodeURIComponent, |
1718 | u=f+'?u='+e(l.href)+'&t='+e(d.title)+'&s='+e(s)+'&v=4'; |
1719 | a=function(){if(!w.open(u,'t','toolbar=0,resizable=1,scrollbars=1,status=1,width=720,height=570'))l.href=u;}; |
1720 | if (/Firefox/.test(navigator.userAgent)) setTimeout(a, 0); else a(); |
1721 | void(0)"; |
1722 |
|
1723 | $link = str_replace(array("\r", "\n", "\t"), '', $link); |
1724 |
|
1725 | return apply_filters('shortcut_link', $link); |
1726 | } |
1727 |
|
1728 | /** |
1729 | * Retrieve the site url. |
1730 | * |
1731 | * Returns the 'site_url' option with the appropriate protocol, 'https' if |
1732 | * is_ssl() and 'http' otherwise. If $scheme is 'http' or 'https', is_ssl() is |
1733 | * overridden. |
1734 | * |