[PHP] Binary to ASCII

[René Fournier]

When reading from a Socket Server, my Socket Client retrieves data that 
includes ASCII and binary data:

while(($buf = socket_read($socket,128,PHP_BINARY_READ)) !== false) {
        $data .= $buf;
        if(preg_match("/ENX/", $data)) break;
        }
echo "RESPONSE: ".$data."\n";
The output looks like:
RESPONSE: STX&The system is up and running.ENX
Between the "STX" and "The system is up..." are 8 bytes of binary data 
(which this case appear as an ampersand), which I want to extract from 
$data, split into two 4 byte variables, and convert back into integers. 
I suspect that I need unpack() at some point, but any ideas how to 
extract and split the binary data from this string? (Sometimes, the 
binary data is not visible, but it's still there.)

...Rene

PS. Thanks guys for the earlier advice with pack()--which worked.

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