This article shares with you the easiest way to verify your php email address and IP address. For more information about how to verify your email address, url, and number in development, see below, the following describes the verification email, url, and digital programs. For more information, see.
The sample code is as follows:
public static function isEmail( $email ) { return preg_match("/^([a-z0-9]*[-_\.]?[a-z0-9]+)*@([a-z0-9]*[-_]?[a-z0-9]+)+[\.][a-z]{2,4}([\.][a-z]{2})?$/i" , $email ); } public static function isNumber( $num ) { return is_numeric( $num ); } public static function isUrl( $url , $preg = false ) { if( $preg ) { $status = preg_match ( "/^([^:\/\/])+\:\/\/[\w-]+\.[\w-.\?\/]+$/" , $url ); } else { $status = filter_var( $url , FILTER_VALIDATE_URL ); } return $status; }
Supplement:Use php built-in functions to operate.
Php verification email, the code is as follows:
$email = 'fengdingbo@gmail.com'; $result = filter_var($email, FILTER_VALIDATE_EMAIL); var_dump($result); // string(20) "fengdingbo@gmail.com"
Php verifies the url address. the code is as follows:
$url = "http://www.jb51.net"; $result = filter_var($url, FILTER_VALIDATE_URL); var_dump($result); // string(25) "http://www.jb51.net"
Php verifies the IP address. the code is as follows:
$ Url = "192.168.1.110"; $ result = filter_var ($ url, FILTER_VALIDATE_IP); var_dump ($ result); // string (13) "192.168.1.110" // This method can also be used to verify ipv6. $ Url = "2001: DB8: 2de: e13"; $ result = filter_var ($ url, FILTER_VALIDATE_IP); var_dump ($ result); // string (17) "2001: DB8: 2de: e13"
The above is the easiest way to verify the mailbox and IP address in php, and I hope it will help you learn.