how do you create a private property as an array in a class View as Markdown

Thanks.

How can I valgrind my extension? Google isn't bringing up many php
extension topics :/

I can't figure out why I keep getting a seg fault:

typedef struct _foo_object {
zend_object std;
zval *elements;
} foo_object;

static foo_object *foo_object_ptr;

PHP_MINIT_FUNCTION(foo_class)
{
foo_object_ptr = emalloc(sizeof(foo_object));

MAKE_STD_ZVAL(foo_object_ptr->elements);
array_init(foo_object_ptr->elements);

return SUCCESS;
}

MAKE_STD_ZVAL(foo_object_ptr->elements);
array_init(foo_object_ptr->elements);

These two lines are causing the seg fault, I'm trying to understand why.

hi：
You can refer to ext spl array

Thanks

Sent from my iPhone

在 2012-4-8，7:12，Matthew Hernandez proxilabs@gmail.com 写道：

Here's what I have so far:

typedef struct _foo_class_object {
zend_object std;
zval *elements;
int size;
} foo_class_object;

static foo_class_object *foo_class_object_ptr;
static zend_class_entry *foo_class_ptr;

ZEND_METHOD(foo_class, __construct) {
foo_class_object_ptr = (foo_class_object
*)zend_object_store_get_object(getThis() TSRMLS_CC);

array_init(foo_class_object_ptr->elements);
}

ZEND_METHOD(foo_class, add) {
zval *this = getThis();
zval *item;

if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z", &item) ==
FAILURE) {
RETURN_FALSE;
}

add_next_index_zval(foo_class_object_ptr->elements, item);

RETURN_TRUE;
}

However, this doesn't work. when you call FooClass::add it causes a
segfault. I'm sure I'm abusing something :)

thx

On Sat, Apr 7, 2012 at 2:38 PM, Matthew Hernandez <proxilabs@gmail.com
wrote:

Hi Johannes,

Yes I just found out that I should extend instead of the approach I was
thinking about.

So I created this:

typedef struct _foo_object {
zend_object std;
zval *array;
int size;
} foo_object;

So the question is how do I correctly pass foo_object around so that I
can
manipulate *array ? Having a private variable would mean calling
getThis()
and handling it that way would be trivial.

Are there any examples I could see? I'm using the slides from your
presentation in 2009 to help me.

thanks

On Sat, Apr 7, 2012 at 2:27 PM, Johannes Schlüter <
johannes@schlueters.de>wrote:

Hi,

This is my first extension I'm working on. I'm trying to make a class
available to the user space with 1 private property that is an array.

The first question is: Why? - Why add the overhead of creating such an
array if it is private? In most cases it is better to extend the
zend_object in C (struct my_object { zend_object inner; type
some_data;}) to hold private data. If you want to show it in var_dump
or
a debugger you could implement a debug_info hook.

johannes