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wp_text_diff › WordPress Function
Since2.6.0
已弃用n/a
› wp_text_diff ( $left_string, $right_string, $args = null )
参数: (3) |
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Displays a human readable HTML representation of the difference between two strings.
The Diff is available for getting the changes between versions. The output is HTML, so the primary use is for displaying the changes. If the two strings are equivalent, then an empty string will be returned.源码
function wp_text_diff( $left_string, $right_string, $args = null ) { $defaults = array( 'title' => '', 'title_left' => '', 'title_right' => '', 'show_split_view' => true, ); $args = wp_parse_args( $args, $defaults ); if ( ! class_exists( 'WP_Text_Diff_Renderer_Table', false ) ) { require ABSPATH . WPINC . '/wp-diff.php'; } $left_string = normalize_whitespace( $left_string ); $right_string = normalize_whitespace( $right_string ); $left_lines = explode( "\n", $left_string ); $right_lines = explode( "\n", $right_string ); $text_diff = new Text_Diff( $left_lines, $right_lines ); $renderer = new WP_Text_Diff_Renderer_Table( $args ); $diff = $renderer->render( $text_diff ); if ( ! $diff ) { return ''; } $is_split_view = ! empty( $args['show_split_view'] ); $is_split_view_class = $is_split_view ? ' is-split-view' : ''; $r = "<table class='diff$is_split_view_class'>\n"; if ( $args['title'] ) { $r .= "<caption class='diff-title'>$args[title]</caption>\n"; } if ( $args['title_left'] || $args['title_right'] ) { $r .= '<thead>'; } if ( $args['title_left'] || $args['title_right'] ) { $th_or_td_left = empty( $args['title_left'] ) ? 'td' : 'th'; $th_or_td_right = empty( $args['title_right'] ) ? 'td' : 'th'; $r .= "<tr class='diff-sub-title'>\n"; $r .= "\t<$th_or_td_left>$args[title_left]</$th_or_td_left>\n"; if ( $is_split_view ) { $r .= "\t<$th_or_td_right>$args[title_right]</$th_or_td_right>\n"; } $r .= "</tr>\n"; } if ( $args['title_left'] || $args['title_right'] ) { $r .= "</thead>\n"; } $r .= "<tbody>\n$diff\n</tbody>\n"; $r .= '</table>'; return $r; } endif;