1、 Download and install phantomjs according to your own platform https://phantomjs.org/download.html

2、 Call a JS file to access the URL connection that needs to be collected

// Example using HTTP POST operation

"use strict";
var page = require('webpage').create(),
    system = require('system'),
    server = system.args[1],
    settings = {
    encoding: "utf8",
    headers: {
        "Content-Type": "text/html",
        "Cookie": "cookie",
        "User-Agent": "Mozilla/5.0 (iPhone; CPU iPhone OS 11_0 like Mac OS X) AppleWebKit/604.1.38 (KHTML, like Gecko) Version/11.0 Mobile/15A372 Safari/604.1"
    }
};

page.open(server, settings, function (status) {
    var content = page.evaluate(function() {
       return document.getElementById('uiContent').innerHTML;
    });
    console.log(content);
    phantom.exit();
});

3,

<?php
$url = $_REQUEST['url'];
$command = "phantomjs cread.js " . $url;
@exec($command,$content);
echo $content[0];