How to use php fgetc function

藏色散人
Release: 2023-02-22 21:50:02
Original
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php The fgetc function is used to read a character from the file pointer. Its syntax is fgetc(file). The parameter file is required and specifies the file to be checked.

How to use php fgetc function

#php How to use fgetc function?

Definition and usage

fgetc() function reads a character from the file pointer.

Syntax

fgetc(file)
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Parameters

file Required. Specifies the documents to be checked.

Description

Returns a string containing one character obtained from the file pointed to by file. Returns false if EOF is encountered.

The file pointer must be valid and must point to a file that was successfully opened by fopen() or fsockopen() (but has not been closed by fclose()).

Tips and Notes

Note: This function may return the Boolean value false, but it may also return a non-Boolean value equivalent to false, such as 0 or "" .

Note: This function is safe to use on binary objects.

Example 1

<?php
$file = fopen("test.txt","r");
echo fgetc($file);
fclose($file);
?>
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Output similar to:

H
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Example 2

<?php
$file = fopen("test.txt","r");
while (! feof ($file))
  {
  echo fgetc($file);
  }
fclose($file);
?>
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Output similar to:

Hello, this is a test file.
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