Text_Diff_Renderer_inline::_changed() │ public │ WP 1.0

Method of the class: Text_Diff_Renderer_inline{}

No Hooks.

Return

null. Nothing (null).

Usage

$Text_Diff_Renderer_inline = new Text_Diff_Renderer_inline();
$Text_Diff_Renderer_inline->_changed( $orig, $final );

$orig (required)

-

$final (required)

-

Text_Diff_Renderer_inline::_changed() Text Diff Renderer inline:: changed code ^{WP 6.5.2}

function _changed($orig, $final)
{
    /* If we've already split on characters, just display. */
    if ($this->_split_level == 'characters') {
        return $this->_deleted($orig)
            . $this->_added($final);
    }

    /* If we've already split on words, just display. */
    if ($this->_split_level == 'words') {
        $prefix = '';
        while ($orig[0] !== false && $final[0] !== false &&
               substr($orig[0], 0, 1) == ' ' &&
               substr($final[0], 0, 1) == ' ') {
            $prefix .= substr($orig[0], 0, 1);
            $orig[0] = substr($orig[0], 1);
            $final[0] = substr($final[0], 1);
        }
        return $prefix . $this->_deleted($orig) . $this->_added($final);
    }

    $text1 = implode("\n", $orig);
    $text2 = implode("\n", $final);

    /* Non-printing newline marker. */
    $nl = "\0";

    if ($this->_split_characters) {
        $diff = new Text_Diff('native',
                              array(preg_split('//', $text1),
                                    preg_split('//', $text2)));
    } else {
        /* We want to split on word boundaries, but we need to preserve
         * whitespace as well. Therefore we split on words, but include
         * all blocks of whitespace in the wordlist. */
        $diff = new Text_Diff('native',
                              array($this->_splitOnWords($text1, $nl),
                                    $this->_splitOnWords($text2, $nl)));
    }

    /* Get the diff in inline format. */
    $renderer = new Text_Diff_Renderer_inline
        (array_merge($this->getParams(),
                     array('split_level' => $this->_split_characters ? 'characters' : 'words')));

    /* Run the diff and get the output. */
    return str_replace($nl, "\n", $renderer->render($diff)) . "\n";
}