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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 |
|---|---|
| 850 | ( ( preg_match( '!AppleWebKit/(\d+)!', $_SERVER['HTTP_USER_AGENT'], $match ) && intval($match[1]) >= 420 ) || |
| 851 | !preg_match( '!opera[ /][2-8]|konqueror|safari!i', $_SERVER['HTTP_USER_AGENT'] ) ) |
| 852 | && 'comment.php' != $pagenow ) { |
| 853 | $wp_rich_edit = true; |
| 854 | } else { |
| 855 | $wp_rich_edit = false; |
| 856 | } |
| 857 | } |
| 858 | |
| 859 | return apply_filters('user_can_richedit', $wp_rich_edit); |
| 860 | } |
| 861 | |
| 862 | function the_editor($content, $id = 'content', $prev_id = 'title') { |
| 863 | $rows = get_option('default_post_edit_rows'); |
| 864 | if (($rows < 3) || ($rows > 100)) |
| 865 | $rows = 12; |
| 866 | |
| 867 | $rows = "rows='$rows'"; |
| 868 | |