php中邮箱email 电话等格式的验证

function isValidEmail($email) { 

    $email = strtolower($email);
    if (!preg_match(“/[^@]{1,64}@[^@]{1,255}/”, $email)) { 
        return false; 
    } 
    $email_array = explode(“@”, $email); 
    $local_array = explode(“.”, $email_array[0]); 
    $length = sizeof($local_array); 
    for ($i = 0; $i < $length; $i++) { 
        if (!preg_match(“@^[a-z0-9_~-][a-z0-9_~.-]{0,63}$@”, $local_array[$i])) { 
            return false; 
        } 
    } 
    unset($length); 
    if (!preg_match(“@^[?[0-9.]+]?$@”, $email_array[1])) { 

        $domain_array = explode(“.”, $email_array[1]); 

        $length = sizeof($domain_array); 
        if ($length < 2) { 
            return false; 
        } 
        for ($i = 0; $i < $length; $i++) { 
            if (!preg_match(“/^(([a-z0-9][a-z0-9-]{0,61}[a-z0-9])|([a-z0-9]+))$/”, $domain_array[$i])) { 
                return false; 
            } 
        } 
    unset($length); 
    } 
    return true; 
}

function isValidCellPhone($cellPhone) { 

    $flag = FALSE; 

    if (preg_match(‘@^1[3458][0-9]{9}$@’, $cellPhone)) { 

        $flag = TRUE; 

    } 

    return $flag; 

} 

function isValidPhone($phone) { 

    if (preg_match(‘@^1[3458][0-9]{9}$@’, $phone)) { 

        return true; 

    } 

    if (preg_match(‘@((?:(?:(?:00860?|0)(?:10|2d|[3-9]dd))-?)?([2-8]d{6,7}))@’, $phone)){ 

        return true; 

    } 

    if (preg_match(‘@^([48]00(?:d{7}|-d{7}|-d{3}-d{4}|-d{4}-d{3}|d-d{3}-d{3}))$@’, $phone)) { 

        return true; 

    } 

    return false; 

}