Helper to fix broken PHP serialized data. Helpful mostly on broken WordPress databases.

fix-broken-php-serialized-data.php

<?php
$data = <<< EOF
The broken serialized data goes here.
And can expand on multiple lines.
EOF;

$data = preg_replace_callback ('!s:(\d+):"(.*?)";!', function($match) {
    return ($match[1] == strlen($match[2])) ? $match[0] : 's:' . strlen($match[2]) . ':"' . $match[2] . '";';
}, $data);

var_dump($data);