Versions of PHP below 4.3 will use socket_set_blocking() but will not understand stream_set_blocking().
(PHP 4, PHP 5, PHP 7, PHP 8)
socket_set_blocking — Sinônimo de stream_set_blocking()
Esta função é um apelido para: stream_set_blocking().
Versions of PHP below 4.3 will use socket_set_blocking() but will not understand stream_set_blocking().