php curl common errors: SSL error, bool(false)

Symptom: php curl calls https error

Troubleshooting method: Try using curl call in the command line.

Cause: The computer room where the server is located cannot verify the SSL certificate.

Solution: Skip SSL certificate check.

Symptoms: php curl calls curl_exec to return bool (false), and the command line curl call is normal.

Troubleshooting method:

Check the return value of initialization and execution of cURL function. curl_error() and curl_errno() will return further information in case of failure:

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