Hello.
I'm new to this list, and I once looked over the archives,
but the problem like this might not have been proposed, so I ask...
please see the code below
sorry to be too long.
(the result of this code is supposed to be seen with HTML browser)
--------------------------------------------------------------------
<?php
class foo
{
var $cls;
function foo() {
$this->cls = array();
}
function add( $cls ) {
array_push ( $this->cls, $cls );
}
function one() {
reset( $this->cls );
while( $obj = current( $this->cls ) ) {
print '<B>foo->one()</B> invokes <B>'.get_class( $obj
)."->one()</B><BR>\n";
$obj->one();
next( $this->cls );
}
}
function two() {
reset( $this->cls );
while( $obj = current( $this->cls ) ) {
print '<B>foo->two()</B> invokes <B>'.get_class( $obj
)."->two()</B><BR>\n";
$obj->two();
next( $this->cls );
}
}
}
class bar
{
var $some;
function bar() {
$this->some = '<FONT color="red">set in constructor</FONT> (
this value was expected to be changed at foo->one() ) ';
}
function one() {
$this->some = 'modified';
}
function two() {
print '<B>bar->two->some</B> = '.$this->some."<BR>";
}
}
$fubar = new foo();
$fubar->add( new bar() );
$fubar->add( new bar() );
$foo = new foo();
$foo->add( $fubar );
$foo->one();
$foo->two();
?>
--------------------------------------------------------------------
and the results should have been like
--------------------------------------------------------------------
foo->one() invokes foo->one()
foo->one() invokes bar->one()
foo->one() invokes bar->one()
foo->two() invokes foo->two()
foo->two() invokes bar->two()
bar->two->some = modified
foo->two() invokes bar->two()
bar->two->some = modified
--------------------------------------------------------------------
but you probably obtain
--------------------------------------------------------------------
foo->one() invokes foo->one()
foo->one() invokes bar->one()
foo->one() invokes bar->one()
foo->two() invokes foo->two()
foo->two() invokes bar->two()
bar->two->some = set in constructor ( this value was expected to be changed at
foo->one() )
foo->two() invokes bar->two()
bar->two->some = set in constructor ( this value was expected to be changed at
foo->one() )
--------------------------------------------------------------------
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