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php-src/ext/spl/examples/class_tree.php at master · EndlessCoding/php-src · GitHub
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examples
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class_tree.php
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php-src
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ext
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spl
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examples
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class_tree.php
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<?php
/** @file class_tree.php
* @brief Class Tree example
* @ingroup Examples
* @author Marcus Boerger
* @date 2003 - 2008
* @version 1.1
*
* Usage: php class_tree.php \<class\>
*
* Simply specify the root class or interface to tree with parameter \<class\>.
*/
if
(
$
argc
<
2
) {
echo
<<<EOF
Usage: php
$
{
_SERVER
[
'
PHP_SELF
'
]}
<class>
Displays a graphical tree for the given <class>.
<class> The class or interface for which to generate the tree graph.
EOF
;
exit
(
1
);
}
if
(!
class_exists
(
"
RecursiveTreeIterator
"
,
false
))
require_once
(
"
recursivetreeiterator.inc
"
);
/** \brief Collects sub classes for given class or interface
*/
class
SubClasses
extends
RecursiveArrayIterator
{
/** @param base base class to collect sub classes for
* @param check_interfaces whether we deal with interfaces
*/
function
__construct
(
$
base
,
$
check_interfaces
=
false
)
{
foreach
(
get_declared_classes
()
as
$
cname
)
{
$
parent
=
get_parent_class
(
$
cname
);
if
(
strcasecmp
(
$
parent
,
$
base
) ==
0
)
{
$
this
->
offsetSet
(
$
cname
,
new
SubClasses
(
$
cname
));
}
if
(
$
check_interfaces
)
{
if
(
$
parent
)
{
$
parent_imp
=
class_implements
(
$
parent
);
}
foreach
(
class_implements
(
$
cname
)
as
$
iname
)
{
if
(
strcasecmp
(
$
iname
,
$
base
) ==
0
)
{
if
(!
$
parent
|| !
in_array
(
$
iname
,
$
parent_imp
))
{
$
this
->
offsetSet
(
$
cname
,
new
SubClasses
(
$
cname
));
}
}
}
}
}
if
(
$
check_interfaces
)
{
foreach
(
get_declared_interfaces
()
as
$
cname
)
{
foreach
(
class_implements
(
$
cname
)
as
$
iname
)
{
if
(
strcasecmp
(
$
iname
,
$
base
) ==
0
)
{
$
this
->
offsetSet
(
$
cname
,
new
SubClasses
(
$
cname
,
true
));
}
}
}
}
$
this
->
uksort
(
'
strnatcasecmp
'
);
}
/** @return key() since that is the name we need
*/
function
current
()
{
$
result
=
parent
::
key
();
$
parent
=
get_parent_class
(
$
result
);
if
(
$
parent
)
{
$
interfaces
=
array_diff
(
class_implements
(
$
result
),
class_implements
(
$
parent
));
if
(
$
interfaces
)
{
$
implements
=
array
();
foreach
(
$
interfaces
as
$
interface
)
{
$
implements
=
array_merge
(
$
implements
,
class_implements
(
$
interface
));
}
$
interfaces
=
array_diff
(
$
interfaces
,
$
implements
);
natcasesort
(
$
interfaces
);
$
result
.=
'
(
'
.
join
(
'
,
'
,
$
interfaces
) .
'
)
'
;
}
}
return
$
result
;
}
}
$
it
=
new
RecursiveTreeIterator
(
new
SubClasses
(
$
argv
[
1
],
true
));
echo
$
argv
[
1
].
"\n"
;
foreach
(
$
it
as
$
c
=>
$
v
)
{
echo
"
$
v
\n"
;
}
?>
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