For the record of the curl_setopt parameter, tutorial on curl_setopt parameter _ PHP

For the record of the curl_setopt parameter, the curl_setopt parameter. For the record of the curl_setopt parameter, the curl_setopt parameter curl_setopt ($ ch, CURLOPT_RETURNTRANSFER, TRUE) outputs the execution result based on true. false indicates that the records of the curl_setopt parameter are not output from the fsockopen and curl, curl_setopt parameter

Curl_setopt ($ ch, CURLOPT_RETURNTRANSFER, TRUE)

True: output the execution result. false: no output.

One of the differences between fsockopen and curl_setopt requests is that the former is blocked, that is, when the server response is not received, the program will still be executed, while curl can perform multiple requests at the same time, it is not blocked.

Export curl_setopt ($ ch, CURLOPT_RETURNTRANSFER, TRUE) where true outputs the execution result, and false is the region where the fsockopen and curl_setopt requests are not output...