PHP Class HeadFilter, symfony-1.4

(Default is first 10 lines.)

Example:

Or:

Public Methods

Method	Description
chain ( Reader $reader ) : object	Creates a new HeadFilter using the passed in Reader for instantiation.
getLines ( ) : integer	Returns the number of lines to be returned in the filtered stream.
read ( $len = null ) : the	Returns first n lines of stream.
setLines ( integer $lines )	Sets the number of lines to be returned in the filtered stream.

Method	Description
_initialize ( )	Scans the parameters list for the "lines" parameter and uses it to set the number of lines to be returned in the filtered stream.

Creates a new HeadFilter using the passed in Reader for instantiation.

public chain ( Reader $reader ) : object
$reader	Reader
return	object	A new filter based on this configuration, but filtering the specified reader.

Returns the number of lines to be returned in the filtered stream.

public getLines ( ) : integer
return	integer	The number of lines to be returned in the filtered stream.

Returns first n lines of stream.

public read ( $len = null ) : the
return	the	resulting stream, or -1 if the end of the resulting stream has been reached

Sets the number of lines to be returned in the filtered stream.

public setLines ( integer $lines )
$lines	integer	the number of lines to be returned in the filtered stream.