Text_Diff::_check() public WP 1.0

Checks a diff for validity.

This is here only for debugging purposes.

{} It's a method of the class: Text_Diff{}

No Hooks.

Return

null. Nothing.

Usage

$Text_Diff = new Text_Diff();
$Text_Diff->_check( $from_lines, $to_lines );

$from_lines (required)

-

$to_lines (required)

-

Code of Text_Diff::_check() Text Diff:: check ^{WP 5.8.3}

function _check($from_lines, $to_lines)
{
    if (serialize($from_lines) != serialize($this->getOriginal())) {
        trigger_error("Reconstructed original doesn't match", E_USER_ERROR);
    }
    if (serialize($to_lines) != serialize($this->getFinal())) {
        trigger_error("Reconstructed final doesn't match", E_USER_ERROR);
    }

    $rev = $this->reverse();
    if (serialize($to_lines) != serialize($rev->getOriginal())) {
        trigger_error("Reversed original doesn't match", E_USER_ERROR);
    }
    if (serialize($from_lines) != serialize($rev->getFinal())) {
        trigger_error("Reversed final doesn't match", E_USER_ERROR);
    }

    $prevtype = null;
    foreach ($this->_edits as $edit) {
        if ($edit instanceof $prevtype) {
            trigger_error("Edit sequence is non-optimal", E_USER_ERROR);
        }
        $prevtype = get_class($edit);
    }

    return true;
}