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PHP/Email/Email Validation - История изменений
2026-04-04T15:58:29Z
История изменений этой страницы в вики
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http://wbex.ru/index.php?title=PHP/Email/Email_Validation&diff=446&oldid=prev
в 10:37, 26 мая 2010
2010-05-26T10:37:30Z
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http://wbex.ru/index.php?title=PHP/Email/Email_Validation&diff=447&oldid=prev
Admin: 1 версия
2010-05-26T07:04:15Z
<p>1 версия</p>
<p><b>Новая страница</b></p><div>==Email validation Demo==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="html4strict"><br />
<br />
<html><br />
<head><br />
<title>e-mail validator</title><br />
</head><br />
<body><br />
<form name="form1" method="post" action="EMailValidation.php"><br />
<table><br />
<tr> <br />
<td colspan="2"><b>Enter an e-mail address to test</div></td><br />
</tr><br />
<tr> <br />
<td width="25%">E-mail</td><br />
<td width="75%"> <br />
<input type="text" name="email" size="30"><br />
</td><br />
</tr><br />
<tr> <br />
<td colspan="2"> <br />
<input type="submit" name="Submit" value="Submit"><br />
</td><br />
</tr><br />
</table><br />
</form><br />
</body><br />
</html><br />
<br />
<!-- EMailValidation.php<br />
<html><br />
<head><br />
<title> E-mail validator </title><br />
</head><br />
<body><br />
<?php<br />
<br />
if (!isset($email)){<br />
die("Host name value wasn"t properly submitted.Retry.");<br />
}<br />
if(empty($email)) {<br />
die("Hostname field was left blank ! Retry."); <br />
}<br />
<br />
if ( (strlen($email) < 3) || (strlen($email) > 200)) {<br />
die("Invalid E-mail address, E-mail address too long or too short.");<br />
} elseif(!ereg("@",$email)) {<br />
die("Invalid E-mail address, no @ symbol found");<br />
} else {<br />
echo "<b>".$email."</b> is correct in format.<br>";<br />
}<br />
<br />
list($username,$hostname) = split("@",$email);<br />
<br />
if ( (empty($username)) or (empty($hostname)) ) {<br />
die("username or host name section is not valid.");<br />
}<br />
<br />
if(checkdnsrr($hostname)) {<br />
echo "<b>". $email ."</b> hostname has a valid MX record !<br>";<br />
} else {<br />
die("<b>". $email ."</b> hostname does not exist");<br />
}<br />
?><br />
<br><br />
</body><br />
</html><br />
--><br />
<br />
</source><br />
<br />
<br />
<br />
<br />
==Email validation with Regular Expressions==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="html4strict"><br />
<html><br />
<head><title></title></head><br />
<body><br />
<?php<br />
if (isset($_POST["posted"])) {<br />
$email = $_POST["email"];<br />
$theresults = ereg("^[^@ ]+@[^@ ]+\.[^@ \.]+$", $email, $trashed);<br />
if ($theresults) {<br />
$isamatch = "Valid";<br />
} else {<br />
$isamatch = "Invalid";<br />
}<br />
echo "Email address validation says $email is " . $isamatch;<br />
}<br />
?><br />
<form action="<?php echo $_SERVER["PHP_SELF"]; ?>" method="POST"><br />
<input type="hidden" name="posted" value="true"><br />
Enter your email address for validation:<br />
<input type="text" name="email" value="name@example.ru"><br />
<input type="submit" value="Validate"><br />
</form><br />
</body><br />
</html><br />
<br />
</source></div>
Admin