PHP fseek() function and example


 

PHP fseek() function and example

In this segment of the PHP tutorial we will learn the fseek function of the file handling

In this segment of the PHP tutorial we will learn the fseek function of the file handling

Syntax

int fseek (file_handle ,offset [, whence ] )

  • It seeks the new position of the file pointer from old position.
  • Then using the new position it will work for all functions
  • It gives 0 if test succeeds and -1 of test gets failured
whence is optional. Its values are
  • SEEK_SET ( Default value,It makes position equal to offset),
  • SEEK_CUR (It makes position to current location with offset),
  • SEEK_END (Makes position to EOF with offset )

Example of PHP fseek() Function PHP
Code code for fseek() Function in PHP

<?php
$file=fopen("roseindia.txt","r");
echo fread($file,240);
echo "<br><br>now position set to 40 bytes <br><br>";
fseek($file,40);
echo fread($file,240);
?>

Output

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now position set to 40 bytes

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