NIDEZ

Função para validar e-mail em PHP.
verifica formato de email e dominio.
base em: Blog koyot

<?php
	function verificaEmail($email){
		list($user, $domain) = explode("@", $email);
		if((ereg("^([0-9,a-z,A-Z]+)([.,_,-]([0-9,a-z,A-Z]+))*[@]([0-9,a-z,A-Z]+)([.,_,-]([0-9,a-z,A-Z]+))*[.]([0-9,a-z,A-Z]){2}([0-9,a-z,A-Z])?$", $email)))
			if(checkdnsrr($domain, 'MX'))
				return(true);
		return(false);
	}

	if(verificaEmail($_GET['email']))
		echo 'verdadeiro';
	else
		echo 'falso';
?>

Exemplo 2: com uso de filter_var, indicado pelo Samuca

<?php
	function verificaEmail($email){
		list($user, $domain) = explode("@", $email);
		if(filter_var($email, FILTER_VALIDATE_EMAIL))
			if(checkdnsrr($domain, 'MX'))
				return(true);
		return(false);
	}
?>

Tags: PHP

This entry was posted on Saturday, June 27th, 2009 at 00:39 and is filed under PHP. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.