(PECL event >= 1.7.0)
EventBuffer::readFrom — Read data from a file onto the end of the buffer
public EventBuffer::read ( mixed $fd , int $howmuch ) : int
Read data from the file specified by fd
onto the end of the buffer.
fd
Socket resource, stream, or numeric file descriptor.
howmuch
Maxmimum number of bytes to read.
Returns the number of bytes read, or false
on failure.
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https://www.php.net/manual/en/eventbuffer.readfrom.php