PHP fseek() Function
Definition and Usage
fseek() function locates in the opened file.
This function moves the file pointer from the current position to a new position in the file, measured from the beginning of the file in bytes.
Returns 0 on success; otherwise, returns -1. Note that moving to a position after EOF does not produce an error.
Syntax
fseek(file,offset,whence)
| Parameters | Description |
|---|---|
| file | Required. Specifies the file in which to locate. |
| offset | Required. Specifies the new position (measured in bytes from the beginning of the file). |
| whence |
Optional. Possible values:
|
Description
whence The parameter was added in PHP 4.0.0 and later.
Tips and Comments
Tip:By using ftell() to find the current position.
Example
<?php
$file = fopen("test.txt","r");
// Read the first line
fgets($file);
// Go back to the beginning of the file
fseek($file,0);
?>
