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example_form.php
<?php
session_start();
?>
<html>
<head>
  <title>Securimage Test Form</title>
</head>

<body>

<?php
if (empty($_POST)) { ?>
<form method="POST">
Username:<br />
<input type="text" name="username" /><br />
Password:<br />
<input type="text" name="password" /><br />

<!-- pass a session id to the query string of the script to prevent ie caching -->
<img src="securimage_show.php?sid=<?php echo md5(uniqid(time())); ?>"><br />
<input type="text" name="code" /><br />

<input type="submit" value="Submit Form" />
</form>

<?php
} else { //form is posted
  include("securimage.php");
  $img = new Securimage();
  $valid = $img->check($_POST['code']);

  if($valid == true) {
  echo &quo


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phpʱ¼äÕýÔòÎÊÌâ - PHP / »ù´¡±à³Ì

PHP code:

$date = '2009-12-25';
$ptn = '/([\d]{4})[- \/](0?[\d]|1[0-2])[-\/ ](0?[\d]|[1-2][\d]|3[0-1])/';
if (preg_match($ptn,$date,$out))
{
print_r($out);exit();
}
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