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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 |
|---|---|
| 1756 | if ( $is_safari ) { |
| 1757 | if ( !$is_iphone || ( preg_match( '!AppleWebKit/(\d+)!', $_SERVER['HTTP_USER_AGENT'], $match ) && intval($match[1]) >= 534 ) ) |
| 1758 | $wp_rich_edit = true; |
| 1759 | } elseif ( $is_gecko || $is_opera || $is_chrome || $is_IE ) { |
| 1760 | $wp_rich_edit = true; |
| 1761 | } |
| 1762 | } |
| 1763 | } |
| 1764 | |
| 1765 | return apply_filters('user_can_richedit', $wp_rich_edit); |
| 1766 | } |
| 1767 | |
| 1768 | /** |
| 1769 | * Find out which editor should be displayed by default. |
| 1770 | * |
| 1771 | * Works out which of the two editors to display as the current editor for a |
| 1772 | * user. |
| 1773 | * |
| 1774 | * @since 2.5.0 |