Text_Diff::lcs() │ public │ WP 1.0

Computes the length of the Longest Common Subsequence (LCS).

This is mostly for diagnostic purposes.

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

No Hooks.

Return

Int. The length of the LCS.

Usage

$Text_Diff = new Text_Diff();
$Text_Diff->lcs();

Code of Text_Diff::lcs() WP 5.9.3

wp-includes/Text/Diff.php 
function lcs()
{
    $lcs = 0;
    foreach ($this->_edits as $edit) {
        if (is_a($edit, 'Text_Diff_Op_copy')) {
            $lcs += count($edit->orig);
        }
    }
    return $lcs;
}