网站监控邮件发送方法

/**
* 邮件发送方法
* @param string $title 邮件主题
* @param string $content 邮件内容
*/
function send_email($title, $content) {
//如下以get请求发送邮件，链接中不能有&符号，以斜杠替换
$content = str_replace("&", "/", $content);
//获取是哪里调用的本方法，可以获取文件、行数、函数名称、参数等信息
$backtrace = debug_backtrace();
$send_time = '发送时间： ' . date("Y-m-d H:i:s",time()) . "<br/>";
$send_ip = '发送服务器： ' . gethostbyname(gethostname()) . "<br/>";
$content = $send_time . $send_ip . '邮件内容： ' . "<br/>" . $content;
//邮件发送接口,出于安全考虑，邮件接收者最好写死，通过传参不同控制邮件接受者
$sendurl = 'http://api.baidu.com/send_email.php?type=1&title=' . $title . '&content=' . $content;
$result = file_get_contents($sendurl);
if ('ok' != $result) {
//写入php错误记录日志
error_log('PHP Warning:  邮件发送失败  in ' . $backtrace[0]['file'] . ' on line ' . $backtrace[0]['line'] , 0);
//自定义记录邮件内容
$message = 'PHP Warning:  邮件发送失败  in ' . $backtrace[0]['file'] . ' on line ' . $backtrace[0]['line'] . "<br/>" . $content . "\n";
$message = str_replace("<br/>", "\n\t", $message);
error_log($message, 3, "error.log");
return true;
}
}

send_email('test', 'test');

/**
* 邮件发送方法
* @param str $title 邮件主题
* @param str $content 邮件内容
* @param str $email 单独发送email
* @param int $type 测试发送设为 1
*/
function sendEmail($title, $content, $email=null, $type=null) {
$url = 'http://api.baidu.com/send_email.php';
$post_data = array();
//要注意  php.ini  中对post请求传值大小的限制
$content = substr($content, 0, 1024*1000);
$content = str_replace("&", "/", $content);
$content = date("Y-m-d H:i:s",time()) . "<br/>" . $content;
!empty($type) ? $post_data['type'] = $type : false;
!empty($email) ? $post_data['email'] = $email : false;
$post_data['title'] = $title;
$post_data['content'] = $content;
$result = curlPost($url, $post_data);
if('ok' != $result['data']) {
$message = date("Y-m-d H:i:s",time()) . __FILE__ . '   邮件发送失败!!!';
$content = str_replace("<br/>", "\n", $content);
$message_err = $message . "\n" . $content;
error_log($message_err,3,"error.log");
$post_data['title'] = '邮件发送失败通知';
$message .= !empty($result['error']) ? '失败原因 : ' . $result['error'] : '';
$post_data['content'] = $message;
curlPost($url, $post_data);
}
}

/**
* 发送post请求
* @param str $url
* @param array $post_data
* @return multitype:mixed string
*/
function curlPost($url, $post_data) {
$curl = curl_init();
curl_setopt($curl, CURLOPT_URL, $url);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($curl, CURLOPT_POST, 1);
curl_setopt($curl, CURLOPT_POSTFIELDS, $post_data);
curl_setopt($curl, CURLOPT_HTTPHEADER, array('Expect:'));
$data = curl_exec($curl);
$code = curl_getinfo($curl,CURLINFO_HTTP_CODE);
$error = curl_error($curl);
curl_close($curl);
$result = array(
'data' => $data,
'code' => $code,
'error' => $error,
);
return $result;
}