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PHP Quiz PHP CertificatePHP ftell() Function
Complete PHP Filesystem Reference
Definition and Usage
The ftell() function returns the current position in an open file.
Returns the current file pointer position, or FALSE on failure.
Syntax
ftell(file)
| Parameter | Description |
|---|---|
| file | Required. Specifies the open file to check |
Example
<?php
$file = fopen("test.txt","r");
// print current position
echo ftell($file);
// change current position
fseek($file,"15");
// print current position again
echo "<br />" . ftell($file);
fclose($file);
?>
$file = fopen("test.txt","r");
// print current position
echo ftell($file);
// change current position
fseek($file,"15");
// print current position again
echo "<br />" . ftell($file);
fclose($file);
?>
The output of the code above will be:
0
15
15
Complete PHP Filesystem Reference
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