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Good afternoon, as the answer seems to be no, there is no.
The PHP Curl extension is used directly to access the webservices.
In PHP version 5.3.x Curl already has the minimum version, so I believe that this version 7.19.7 is PHP 5.2 or earlier.
I recommend you try another path by upgrading the OS or migrating to an OS that has this prerequisite.
About PHP, preferably use version 5.6 above.
Hugs.
I worked with this API in 2015, and I even have a tax issuer developed. The information at the time was that it was not possible to work without Curl. Anyway, tell me about the server you’re using to see if I can help enable Curl.
– Paulo Sérgio Duff
http://bwdagenciadigital.com/info.php @PauloSérgioDuff
– lucasbento
CENTOS 6.8 x86_64 kvm | 16 cores | AMD Opteron | Hostgator Resale Plan 1
– lucasbento