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I needed a simple way to deal with email addresses in PHP5, i decided i would create a class to deal with them. This class will allow me to do things like if($email->isValid()) and $email->isFree();
ofcourse checking to see if it is a free provider you either need to store a list of free providers or fetch a remote list. Here is the db table i have
| CREATE TABLE `free_email_providers` (
`id` int(11) NOT NULL auto_increment,
`title` varchar(50) NOT NULL default '',
`domain` varchar(255) NOT NULL default '',
PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1 AUTO_INCREMENT=1 ; | |
all that is stored in the db is the domain like yahoo.com, gmail.com etc..
you can also do
| | $email->GetLink('Email Me', 'Custom Subject', 'Custom CSS Class'); | |
here is the class for dealing with emails
| <?php
class Email {
const VALID_REGEX = '/^[a-z0-9]+([_\\.-][a-z0-9]+)*@([a-z0-9]+([_\\.-][a-z0-9]+)*)+\\.[a-z]{2,}$/i';
private $username;
private $domain;
private $suffix;
private $isFree;
private $isValid;
static private $freeProviders = array();
public function __construct($email = '') {
$this->LoadFreeProviders();
if(strstr($email, '@')) {
$email = explode('@', $email);
$this->username = $email[0];
$domain = explode('.', $email[1]);
$pieces = count($domain);
$this->suffix = $domain[$pieces-1];
if($pieces > 2) {
unset($domain[$pieces-1]);
$domain = array_values($domain);
$this->domain = implode('.', $domain);
} else {
$this->domain = $domain[0];
}
$this->isValid = $this->IsValid();
$this->isFree = $this->IsFree();
} else {
throw new EmailEx('Invalid e-mail address provided.');
}
}
private function LoadFreeProviders() {
$db = Database::GetDriver();
$sql = "SELECT domain FROM free_email_providers";
$rs = $db->Execute($sql);
$rs->FirstRow();
while(!$rs->EOF()) {
array_push(self::$freeProviders, $rs->fields['domain']);
$rs->NextRow();
}
}
public function GetUsername() {
return $this->username;
}
public function GetDomain() {
return $this->domain.'.'.$this->suffix;
}
public function GetShortDomain() {
return $this->domain;
}
public function GetSuffix() {
return $this->suffix;
}
public function IsValid() {
if(preg_match(self::VALID_REGEX, $this->__toString())) return TRUE;
else return FALSE;
}
public function IsFree() {
foreach(self::$freeProviders as $provider) {
if($this->GetDomain() == $provider) return TRUE;
}
return FALSE;
}
public function GetLink($title = null, $subject = null, $class = 'link') {
$email = $this->username.'@'.$this->domain.'.'.$this->suffix;
if(!is_null($subject)) $email .= '?SUBJECT='.$subject;
return '<a href="mailto:'.$email.'" class="'.$class.'">'.$title.'</a>';
}
public function __toString() {
return $this->username.'@'.$this->domain.'.'.$this->suffix;
}
}
?> | |
Enjoy :)
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