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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 |
|---|---|
| 1785 | $public = get_option( 'blog_public' ); |
| 1786 | if ( '0' == $public ) { |
| 1787 | $output .= "User-agent: *\n"; |
| 1788 | $output .= "Disallow: /\n"; |
| 1789 | } else { |
| 1790 | $output .= "User-agent: *\n"; |
| 1791 | $output .= "Disallow:\n"; |
| 1792 | } |
| 1793 | |
| 1794 | echo apply_filters('robots_txt', $output, $public); |
| 1795 | } |
| 1796 | |
| 1797 | /** |
| 1798 | * Test whether blog is already installed. |
| 1799 | * |
| 1800 | * The cache will be checked first. If you have a cache plugin, which saves the |
| 1801 | * cache values, then this will work. If you use the default WordPress cache, |
| 1802 | * and the database goes away, then you might have problems. |
| 1803 | * |