socket_read
(PHP 4 >= 4.0.7, PHP 5)
socket_read — Reads a maximum of length bytes from a socket
Description
string socket_read
( resource $socket
, int $length
[, int $type
] )
Parameters
-
socket
-
A valid socket resource created with socket_create()
or socket_accept().
-
length
-
The maximum number of bytes read is specified by the
length
parameter. Otherwise you can use \r, \n,
or \0 to end reading (depending on the type
parameter, see below).
-
type
-
Optional type
parameter is a named constant:
-
PHP_BINARY_READ (Default) - use the system
recv() function. Safe for reading binary data.
-
PHP_NORMAL_READ - reading stops at \n or \r.
Return Values
socket_read() returns the data as a string on success,
or FALSE on error (including if the remote host has closed the
connection). The error code can be retrieved with
socket_last_error(). This code may be passed to
socket_strerror() to get a textual representation of
the error.
Note:
socket_read() returns a zero length string ("")
when there is no more data to read.
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