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PHP | SplFileObject ftell() Function

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  • Last Updated : 20 Dec, 2018

The SplFileObject::ftell() function is an inbuilt function of Standard PHP Library (SPL) in PHP which is used to return the position of the file pointer which specifies the current offset in the file.

Syntax:

int SplFileObject::ftell( void )

Parameters: This function does not accept any parameters.

Return values: This function returns the position of the file pointer.

Below Programs illustrate the SplFileObject::ftell() function in PHP:

Program 1:




<?php
  
// Create an Spl Object
$file = new SplFileObject("gfg.txt");
  
// Read line from file
$data = $file->fgets();
  
// Print position 
echo $file->ftell();
?>

Output:

13

Program 2:




<?php
   
// Create an Array
$GFG = array(
    "dummy.txt",
    "gfg.txt",
    "frame.txt"
);
   
// Loop to read each file
foreach ($GFG as &$arr) {
      
    // Creating Spl Object
    $file = new SplFileObject($arr);
       
    // Function to read first line
    $data = $file->fgets();
       
    // Display result
    echo $file->ftell() . "</br>";
}
?>

Output:

13
15
13

Reference: http://php.net/manual/en/splfileobject.ftell.php


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