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| <html><body> | |
| <h1>Find a Unique Username</h1> | |
| <p>With a limit of 15 characters</p> | |
| <form method="get"> | |
| <label>First Name <input name="first_name" /></label> | |
| <label>Last Name <input name="last_name" /></label> | |
| <label>Quit after <input name="end" value="111" /></label> | |
| <input type="submit" /> | |
| </form> | |
| <h2>What I'm looking for</h2> | |
| <ol> | |
| <li>JoeBob</li> | |
| <li>JoeBob0</li> | |
| <li>…</li> | |
| <li>JoeBob9</li> | |
| <li>JoeBob10</li> | |
| <li>…</li> | |
| <li>JoeBob999999999</li> | |
| <li>JoeBo1000000000</li> | |
| <li>…</li> | |
| <li>J99999999999999</li> | |
| </ol> | |
| <?php if($_GET['end']): ?> | |
| <h2>Results</h2> | |
| <ol> | |
| <?php | |
| // build userName | |
| $userName = substr($_GET['first_name'].$_GET['last_name'], 0, 15); | |
| // strip special characters | |
| $userName = eregi_replace('[^a-zA-Z0-9_]', '', $userName); | |
| $upperLimit = intval($_GET['end']); | |
| $pattern = '/([0-9])+$/'; | |
| $matches_n = preg_match($pattern, $userName, $matches); | |
| if ($matches_n > 0) { | |
| $n = $matches[0]; | |
| $userName = preg_replace($pattern, '', $userName); | |
| } else { | |
| $n = 0; | |
| } | |
| while ($n < $upperLimit) { | |
| ++$n; | |
| echo $userName . $n . "<br />"; | |
| } | |
| ?> | |
| </ol> | |
| <?php endif; ?> | |
| </body></html> |
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