PHP ftell() Function

In this chapter you will learn:

1. Definition for PHP ftell() Function
2. Syntax for PHP ftell() Function
3. Parameter for PHP ftell() Function
4. Return for PHP ftell() Function
5. Example - Returns the current position in an open file

Definition

The ftell() function returns the current position in an open file.

Syntax

PHP ftell() Function has the following syntax.

Parameter

Return

Returns the current file pointer position, or FALSE on failure.

Example

Returns the current position in an open file

<?php/*from   j  a  v a 2s .  c  o m*/
$file = fopen("test.txt","r");

// print current position
echo ftell($file);

// change current position
fseek($file,"25");

// print current position again
echo "\n";
echo ftell($file);

fclose($file);
?>

The code above generates the following result.

Next chapter...

What you will learn in the next chapter:

1. Definition for PHP ftruncate() Function
2. Syntax for PHP ftruncate() Function
3. Parameter for PHP ftruncate() Function
4. Return for PHP ftruncate() Function
5. Example - truncates an open file to the specified length

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