- similar_text: documentation ( source)
<?php
similar_text('testinggggggggggggggggggggggggggg', 'testinggggggggggdggggggggggggggggg', $p);
echo $p;
echo "\n";
similar_text('testinggggggggggdggggggggggggggggg', 'testinggggggggggggggggggggggggggg', $p);
echo $p;