Cristiano,
I haven't tested the code below.. but I assume you are using php
mapscript 5.6 or ealier. You cannot use the php clone keyword with
mapscript object since it has no idea how to clone the internal object
properly. If you would have used php mapscript from svn (which includes
the refactoring) to do this test, you would have gotten an error since
the object are not clonable. It's in my enhancement todo list to make
some objects clonable. I have no idea when this will be done though.
Alan
Cristiano Sumariva wrote:
I executed this example and object comparison returned true on clone call.
But it returned false when I request another reference from same layer
from getLayer.
Should not it return true ?
#/* 09/04/2010 test for mapserver object comparison on PHP.
# If I clone a layer object from a map instance and compare the cloned
with ref, do they are the same ?
# Answer: yes.
# PHP state: Two object instances are equal if they have the same
attributes and values, and are instances of the same class
#require_once dirname( __FILE__ ).'/class/mapfile/Mapfile.php';
#Mapfile::checkLibrary();
$map = ms_newMapObj( '' );
var_dump( $map->numlayers );
$l = ms_newlayerobj( $map );
var_dump( $map->numlayers );
print( nl2br( "\n" ) );
$l->set( 'type', MS_LAYER_POLYGON );
#var_dump( $l->type );
$lClone = clone $l;
var_dump( __LINE__, ( $l == $lClone ) );
var_dump( __LINE__, ( $l == $map->getLayer( 0 ) ) );
$lRef = $map->getLayer( 0 );
var_dump( __LINE__, ( $l == $lRef ), $l->type, $lRef->type );
#repeated test but now with $l from the reference from getLayer
print( nl2br( "\n" ) );
$l = $map->getLayer( 0 );
$lClone = clone $l;
var_dump( __LINE__, ( $l == $lClone ) );
var_dump( __LINE__, ( $l == $map->getLayer( 0 ) ) );
$lRef = $map->getLayer( 0 );
var_dump( __LINE__, ( $l == $lRef ), $l->type, $lRef->type );
exit;
------------------------------------------------------------------------
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Alan Boudreault
Mapgears
http://www.mapgears.com/
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