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uphp:functions:feof [2017/04/06 11:54] jeff |
uphp:functions:feof [2021/09/13 05:57] |
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- | ======feof====== | ||
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- | < | ||
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- | Test if no more data is available in a file, stream or socket | ||
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- | ====Description==== | ||
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- | <well size=" | ||
- | < | ||
- | <span style=" | ||
- | <span style=" | ||
- | </ | ||
- | [[feof]] ( | ||
- | < | ||
- | <span style=" | ||
- | <span style=" | ||
- | <span style=" | ||
- | </ | ||
- | </ | ||
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- | 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' | ||
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- | Return 0 (false) if there is more data available: The pointer is not at the end of the file or the stream' | ||
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- | ====Parameter==== | ||
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- | < | ||
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- | ====Return Value==== | ||
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- | 1 if no data available, 0 if more data available | ||
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- | ====Example==== | ||
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- | **Read the file index.cgi line by line and format the output for display on the screen:** | ||
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- | <code php> | ||
- | < | ||
- | $f=fopen("/ | ||
- | if ($f) { | ||
- | while (!feof($f)) { | ||
- | print(htmlspecialchars(fgets($f))." | ||
- | } | ||
- | fclose($f); // close the file referenced by file handle | ||
- | } else { | ||
- | print(" | ||
- | } | ||
- | ?></ | ||
- | </ | ||
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- | ====See Also==== | ||
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- | [[fopen()]] - Open a file for reading or writing | ||
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- | [[fseropen()]] - Open the serial port at the specified baud rate with optional parameters | ||
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- | [[f485open()]] - Open the RS-485 port at the specified baud rate and parity | ||
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- | [[fsockopen()]] - Open an internet socket connection with optional timeout | ||
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- | [[fread()]] - Read bytes from a file, stream or socket | ||
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- | [[fgets()]] - Return a single line from a file, stream or socket, with optional size limit | ||
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- | [[fwrite()]] - Write data to a file, stream or socket | ||
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- | [[filesize()]] - Return the size of a file, or the number of unread bytes in a stream or socket | ||
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- | [[fseek()]] - Position the file pointer in an open file | ||
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- | [[ftell()]] - Return the current position of a file read/write pointer | ||
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- | [[fclose()]] - Close a file, stream or socket | ||
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- | [[htmlspecialchars()]] - Convert characters for display in HTML | ||