The SplFileObject::rewind() function is an inbuilt function of Standard PHP Library (SPL) in PHP which is used to Rewind the file to the first line.
Syntax:
void SplFileObject::rewind( $line_num)
Parameters: This function does not accept any parameter.
Return values: This function does not return any value.
Below Programs illustrate the SplFileObject::rewind() function in PHP:
Program-1:
php
<?php // PHP program to illustrate // SplFileObject::rewind function $file = new SplFileObject( __FILE__ ); $file -> rewind (); echo $file ->current(); ?> |
Output:
<?php
Program-2:
php
<?php // PHP program to use array to check // multiple files $GFG = array ( "/home/rajvir/Desktop/neveropen/dummy.php" , "gfg.txt" , "mime.php" ); foreach ( $GFG as & $file_name ) { $file = new SplFileObject( $file_name ); $file -> rewind (); echo $file ->current(); } ?> |
neveropen gfg contribute
Reference: http://php.net/manual/en/splfileobject.rewind.php