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FSEEK

Seeks on a file pointer

SYNTAX

fseek ( resource $handle , int $offset [, int $whence = SEEK_SET ] ) : int

PARAMETERS

handle

A file system pointer resource that is typically created using fopen().

offset

The offset. To move to a position before the end-of-file, you need to pass a negative value in offset and set whence to SEEK_END.

whence
SEEK_SET Set position equal to offset bytes.
SEEK_CUR Set position to current location plus offset.
SEEK_END Set position to end-of-file plus offset.

RETURN

Upon success, returns 0; otherwise, returns -1.

EXAMPLES

HANDLE OFFSET = 0

Hello
Hello

HANDLE OFFSET = 2

Hello
llo

WHENCE | SEEK_SET

Hello
llo

WHENCE | SEEK_CUR

He
o

WHENCE | SEEK_END

Hello
lo

PHP