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To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).
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 |
|---|---|
| 1808 | $public = get_option( 'blog_public' ); |
| 1809 | if ( '0' == $public ) { |
| 1810 | $output .= "User-agent: *\n"; |
| 1811 | $output .= "Disallow: /\n"; |
| 1812 | } else { |
| 1813 | $output .= "User-agent: *\n"; |
| 1814 | $output .= "Disallow:\n"; |
| 1815 | } |
| 1816 | |
| 1817 | echo apply_filters('robots_txt', $output, $public); |
| 1818 | } |
| 1819 | |
| 1820 | /** |
| 1821 | * Test whether blog is already installed. |
| 1822 | * |
| 1823 | * The cache will be checked first. If you have a cache plugin, which saves the |
| 1824 | * cache values, then this will work. If you use the default WordPress cache, |
| 1825 | * and the database goes away, then you might have problems. |
| 1826 | * |