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uphp:functions:feof
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| Both sides previous revision Previous revision Next revision | Previous revision | ||
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uphp:functions:feof [2017/03/18 13:16] jeff |
uphp:functions:feof [2021/09/13 05:57] (current) |
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| ======feof====== | ======feof====== | ||
| + | |||
| < | < | ||
| - | Test if no more data is available in a file or stream | + | Test if no more data is available in a file, stream |
| ====Description==== | ====Description==== | ||
| - | <well size=" | + | |
| - | <span style=" | + | <well size=" |
| - | < | + | <span style=" |
| - | <span style=" | + | <span style=" |
| - | <span style=" | + | <span style=" |
| - | <span style=" | + | <span style=" |
| + | <span style=" | ||
| </ | </ | ||
| Line 17: | Line 19: | ||
| Return 0 (false) if there is more data available: The pointer is not at the end of the file or the stream' | Return 0 (false) if there is more data available: The pointer is not at the end of the file or the stream' | ||
| - | ====Parameters==== | + | ====Parameter==== |
| - | < | + | |
| - | ====Return | + | < |
| - | 1 if no data available, 0 if more data available | + | |
| + | ====Return | ||
| + | |||
| + | < | ||
| ====Example==== | ====Example==== | ||
| + | |||
| + | ===Read the file index.cgi line by line and format the output for display on the screen=== | ||
| + | |||
| <code php> | <code php> | ||
| < | < | ||
| - | // Read the file index.cgi line by line and format the output for display on the screen: | + | |
| - | $f=fopen("/ | + | if ($f) { |
| - | if ($f) { | + | while (!feof($f)) { |
| - | while (!feof($f)) { | + | print(htmlspecialchars(fgets($f))." |
| - | print(htmlspecialchars(fgets($f))." | + | } |
| + | fclose($f); // close the file referenced by file handle | ||
| + | } else { | ||
| + | print(" | ||
| } | } | ||
| - | fclose($f); //close the file referenced by file handle | ||
| - | } else { | ||
| - | print(" | ||
| - | } | ||
| ?></ | ?></ | ||
| </ | </ | ||
| ====See Also==== | ====See Also==== | ||
| - | [[fopen()]] - Open a file for reading or writing | ||
| - | [[f485open()]] - Open the RS-485 port as a stream | + | [[fopen()]] - Open a file for reading or writing |
| [[fseropen()]] - Open the serial port at the specified baud rate with optional parameters | [[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 | [[fsockopen()]] - Open an internet socket connection with optional timeout | ||
| - | [[fread()]] - Return | + | [[fread()]] - Read bytes from a file, stream |
| - | [[fgets()]] - Return a single line from a file or stream, with optional size limit | + | [[fgets()]] - Return a single line from a file, stream |
| - | [[fclose()]] - Close a file, stream or socket | + | [[fwrite()]] - Write data to a file, stream or socket |
| - | [[htmlspecialchars()]] - Convert characters for display | + | [[filesize()]] - Return the size of a file, or the number of unread bytes in a stream or socket |
| - | [[uphp: | + | [[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 | ||
| - | [[uphp: | + | [[htmlspecialchars()]] - Convert special characters |
uphp/functions/feof.1489842966.txt.gz · Last modified: 2021/09/13 05:56 (external edit)
