求问php-cgi启动后一直连不上

首页教程是php start.php start -d，可是我的/usr/local/php7/bin里面只有php-cgi、php-config、phpdbg、phpsize四个文件， 根本就没有php，我直接用/usr/local/php7/bin/php-cgi start.php start -d启动返回

X-Powered-By: PHP/7.1.4
Content-type: text/html; charset=UTF-8

only run in command line mode

照着demo写的这个一在浏览器打开就是false

<?php
$to_uid = "";
$push_api_url = "http://127.0.0.1:2121/";
$post_data = array(
   "type" => "publish",
   "content" => "这个是推送的测试数据",
   "to" => $to_uid, 
);
$ch = curl_init ();
curl_setopt ( $ch, CURLOPT_URL, $push_api_url );
curl_setopt ( $ch, CURLOPT_POST, 1 );
curl_setopt ( $ch, CURLOPT_HEADER, 0 );
curl_setopt ( $ch, CURLOPT_RETURNTRANSFER, 1 );
curl_setopt ( $ch, CURLOPT_POSTFIELDS, $post_data );
curl_setopt ($ch, CURLOPT_HTTPHEADER, array("Expect:"));
$return = curl_exec ( $ch );
curl_close ( $ch );
var_export($return);

求教大佬应该怎么办。。。