Dieser Code zeigt wie man die similar_text() Function nutzen kann um Worte zu vergleichen. Das Ergebnis zeigt wie gleich die Worte sind.
$word2compare = "stupid";$words = array(
'stupid',
'stu and pid',
'hello',
'foobar',
'stpid',
'upid',
'stuuupid',
'sstuuupiiid',
);while(list($id, $str) = each($words)){
similar_text($str, $word2compare, $percent);
print "Comparing '$word2compare' with '$str': ";
print round($percent) . "%n";
}/*
Results:Comparing 'stupid' with 'stupid': 100%
Comparing 'stupid' with 'stu and pid': 71%
Comparing 'stupid' with 'hello': 0%
Comparing 'stupid' with 'foobar': 0%
Comparing 'stupid' with 'stpid': 91%
Comparing 'stupid' with 'upid': 80%
Comparing 'stupid' with 'stuuupid': 86%
Comparing 'stupid' with 'sstuuupiiid': 71%
*/[/php]
Quelle: Jonasjohn