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

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

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

Integer: 1 if no data available, 0 if more data available

<pre><?
  $f=fopen("/index.cgi","r"); // open the file for reading and get the file handle
  if ($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

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

f485open() - Open the RS-485 port at the specified baud rate and parity

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

fread() - Read bytes from a file, stream or socket

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

fwrite() - Write data to a file, stream or socket

filesize() - Return the size of a file, or the number of unread bytes in a stream or socket

fseek() - Position the file pointer in an open file

ftell() - Return the current position of a file read/write pointer

fclose() - Close a file, stream or socket

htmlspecialchars() - Convert special characters for display in HTML