mixed Net_Socket::readAll (
Read until the socket closes.
This function will not exit, if the socket is in blocking mode until the socket closes.
mixed - the data or a PEAR_Error
|Error code||Error message||Reason||Solution|
|NULL||"not connected"||There is no open connection.||You must establish a connection before ( Net_Socket::connect()).|
This function can not be called statically.