How to use ftell function

php ftell() function returns the read/write position of the file pointer.

php ftell() function Syntax

Function: Open the current position in the file.

Syntax:

ftell(file)

Parameters:

file Required. Specifies the open file to be checked.

Note: The file pointer file must be valid and must point to a file successfully opened by fopen() or popen().

php ftell() function example

<?php
$file = fopen("./test.txt","r");
// 输出当前位置
echo ftell($file);
?>

This article is an introduction to the PHP ftell function. I hope it will be helpful to friends in need!

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