How to solve the problem of php post being too slow

The solution to the problem that php post is too slow: first force the protocol to be 1.0; then send the header setting to "Expect"; and finally force the use of the IPV4 protocol to resolve the domain name.

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php's curl function simulates post and get data submission, which is very fast Slow processing method

If you use the curl_setopt function to process remote webservices or capture pages, sometimes you will encounter a very strange phenomenon. The first access speed is abnormally slow, basically 5s- 10 seconds is a frustrating time.

But no matter how much I check, I can’t figure out where the problem lies. I recently found an article about how to deal with this problem.

Let’s start with solving the problem:

1. curl_setopt($ch, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0); //The mandatory protocol is 1.0

2. curl_setopt($ch, CURLOPT_HTTPHEADER , array(''Expect: '')); //The header should send 'Expect: '

3, curl_setopt($ch, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V4); //Force to use IPV4 protocol to resolve domain names

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