WMPRO, WMMINI FW >= 1.0 WMMEGA FW >= 2.0

Test if no more data is available in a file or stream

Return 1 (true) if no more data is available: The pointer is at the end of the file (EOF) or there is no more data pending in the stream's input.

Return 0 (false) if there is more data available: The pointer is not at the end of the file or the stream's input has more pending data.

handle: Valid handle of a previously opened resource

1 if no data available, 0 if more data available

<pre><?
// Read the file index.cgi line by line and format the output for display on the screen:
$f=fopen("/index.cgi","r"); //open the file for reading and get the file handle
if ($f) {
  while (!feof($f)) {
    print(htmlspecialchars(fgets($f))."\r\n"); //print the line to the screen
  }
  fclose($f); //close the file referenced by file handle
} else {
  print("Unable to open file /index.cgi");
}
?></pre>

fopen() - Open a file for reading or writing

f485open() - Open the RS-485 port as a stream

fseropen() - Open the serial port at the specified baud rate with optional parameters

fsockopen() - Open an internet socket connection with optional timeout

fread() - Return bytes from a file or stream

fgets() - Return a single line from a file or stream, with optional size limit

fclose() - Close a file, stream or socket

htmlspecialchars() - Convert characters for display in HTML

if - Flow control structure for conditional execution

while - Flow control structure for a conditional loop