Text_Diff::lcs │ public │ WP 1.0

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

This is mostly for diagnostic purposes.

Method of the class: Text_Diff{}

No Hooks.

Returns

Int. The length of the LCS.

Usage

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

Text_Diff::lcs() code WP 6.8.3

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;
}