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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 |
|---|---|
| 781 | return $wp_rich_edit_exists; |
| 782 | } |
| 783 | |
| 784 | function user_can_richedit() { |
| 785 | global $wp_rich_edit, $pagenow; |
| 786 | |
| 787 | if ( !isset($wp_rich_edit) ) |
| 788 | $wp_rich_edit = ( 'true' == get_user_option('rich_editing') && !preg_match('!opera[ /][2-8]|konqueror|safari!i', $_SERVER['HTTP_USER_AGENT']) && 'comment.php' != $pagenow && rich_edit_exists() ) ? true : false; |
| 789 | |
| 790 | return apply_filters('user_can_richedit', $wp_rich_edit); |
| 791 | } |
| 792 | |
| 793 | function the_editor($content, $id = 'content', $prev_id = 'title') { |
| 794 | $rows = get_option('default_post_edit_rows'); |
| 795 | if (($rows < 3) || ($rows > 100)) |
| 796 | $rows = 12; |
| 797 | |
| 798 | $rows = "rows='$rows'"; |
| 799 | |