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--- uphp:functions:fread [2017/03/31 15:57]
jeff
+++ uphp:functions:fread [2021/09/13 05:57] (current)
@@ Line 3: / Line 3: @@
 <badge>WMPRO, WMMINI FW >= 1.0</badge> <badge>WMMEGA FW >= 2.0</badge>
-Return bytes from a file or stream
+Read bytes from a file, stream or socket
 ====Description====
-<well size="sm"><html><span style="font-size:125%;color:green">mixed
+<well size="sm"><html>
-<span style="color:black"></html>[[fread]]
+<span style="font-size:125%;color:green">mixed
-<html>(
+<span style="color:black">fread (
 <span style="color:green">int
 <span style="color:blue">$handle<span style="color:black">,
@@ Line 17: / Line 17: @@
 </html></well>
-This function attempts to read a specified number of bytes from a file or stream. If less than the number of bytes are available it will return the available data. If no data is available it will return an empty string.
+This function attempts to read a specified number of bytes from a file, stream or socket. If less than the number of bytes are available it will return the available data. If no data is available it will return an empty string.
 ====Parameters====
-<html><span style="color:blue"><b>$handle</b><span style="color:black"></html>:  Valid handle of a previously opened resource
+<html><b><span style="color:blue">$handle<span style="color:black"></b></html>:  Valid handle of a previously opened resource
-<html><span style="color:blue"><b>$bytes</b><span style="color:black"></html>:  Limit to the number of bytes returned
+<html><b><span style="color:blue">$bytes<span style="color:black"></b></html>:  Limit to the number of bytes returned
 ====Return Values====
-  * <html><span style="color:green"><b>string</b><span style="color:black"></html> containing the data requested from the resource
+  * <html><b><span style="color:green">String<span style="color:black"></b></html> containing the data requested from the resource
-    * The length of the returned string depends on available data (<html><b>0 to <span style="color:blue">$bytes</b><span style="color:black"></html>)
+    * <html>The length of the returned <b><span style="color:green">string<span style="color:black"></b> depends on available data (<b>0 to <span style="color:blue">$bytes<span style="color:black"></b>)</html>
-  * <html><span style="color:green"><b>int</b><span style="color:black"></html> 0 for error
+  * <html><b><span style="color:green">Integer<span style="color:black"></b></html> 0 for error
 ====Example====
-**Read the 32 byte MD5 hash from file /md5.txt:**
+===Read the 32 byte MD5 hash from file /md5.txt===
 <code php>
@@ Line 50: / Line 50: @@
 ====See Also====
-[[fgets()]] - Return a single line from a file or stream, with optional size limit
+[[fopen()]] - Open a file for reading or writing
-[[fwrite()]] - Write data to a file or stream
+[[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
-[[fopen()]] - Open a file for reading or writing
+[[fgets()]] - Return a single line from a file, stream or socket, with optional size limit
-[[f485open()]] - Open the RS-485 port at the specified baud rate and parity
+[[fwrite()]] - Write data to a file, stream or socket
-[[fseropen()]] - Open the serial port at the specified baud rate with optional parameters
+[[feof()]] - Test if no more data is available in a file, stream or socket
-[[fclose()]] - Close 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

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