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>Chapter 33. Creating Variables</TD
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>Objects</H1
><P
>&#13;    Since objects can be converted to arrays (and vice versa), you
    might have already guessed that they have a lot of similarities to
    arrays in PHP. Objects are maintained with the same hash
    functions, but there's a different API for creating them.
   </P
><P
>&#13;    To initialize an object, you use the
    function <B
CLASS="function"
>object_init()</B
>: 
    <TABLE
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><TR
><TD
><PRE
CLASS="programlisting"
>zval *new_object;

MAKE_STD_ZVAL(new_object);

if(object_init(new_object) != SUCCESS)
{
    // do error handling here
}</PRE
></TD
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>
    You can use the functions described in 
    <A
HREF="zend.variables.object.html#tab.object-creation"
>Table 33-4</A
> 
    to add members to your object.
   </P
><DIV
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><A
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><P
><B
>Table 33-4. Zend's API for Object Creation</B
></P
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><TD
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ALIGN="LEFT"
VALIGN="MIDDLE"
>Function</TD
><TD
WIDTH="45%"
ALIGN="LEFT"
VALIGN="MIDDLE"
>Description</TD
></TR
><TR
><TD
WIDTH="55%"
ALIGN="LEFT"
VALIGN="MIDDLE"
><B
CLASS="function"
>add_property_long(zval *object, char *key, long
          l);()</B
></TD
><TD
WIDTH="45%"
ALIGN="LEFT"
VALIGN="MIDDLE"
>Adds a long to the object.</TD
></TR
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><TD
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><B
CLASS="function"
>add_property_unset(zval *object, char
          *key);()</B
></TD
><TD
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VALIGN="MIDDLE"
>Adds an unset property to the object.</TD
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><TR
><TD
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><B
CLASS="function"
>add_property_bool(zval *object, char *key, int
          b);()</B
></TD
><TD
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VALIGN="MIDDLE"
>Adds a Boolean to the object.</TD
></TR
><TR
><TD
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><B
CLASS="function"
>add_property_resource(zval *object, char *key,
          long r);()</B
></TD
><TD
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ALIGN="LEFT"
VALIGN="MIDDLE"
>Adds a resource to the object.</TD
></TR
><TR
><TD
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><B
CLASS="function"
>add_property_double(zval *object, char *key,
          double d);()</B
></TD
><TD
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ALIGN="LEFT"
VALIGN="MIDDLE"
>Adds a double to the object.</TD
></TR
><TR
><TD
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VALIGN="MIDDLE"
><B
CLASS="function"
>add_property_string(zval *object, char *key,
          char *str, int duplicate);()</B
></TD
><TD
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ALIGN="LEFT"
VALIGN="MIDDLE"
>Adds a string to the object.</TD
></TR
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><TD
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VALIGN="MIDDLE"
><B
CLASS="function"
>add_property_stringl(zval *object, char *key,
          char *str, uint length, int duplicate);()</B
></TD
><TD
WIDTH="45%"
ALIGN="LEFT"
VALIGN="MIDDLE"
>Adds a string of the specified length to the object. This
         function is faster than <B
CLASS="function"
>add_property_string()</B
> and also
         binary-safe.</TD
></TR
><TR
><TD
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ALIGN="LEFT"
VALIGN="MIDDLE"
>&#13;         <B
CLASS="function"
>add_property_zval(zval *obect, char *key, zval *container):()</B
>
        </TD
><TD
WIDTH="45%"
ALIGN="LEFT"
VALIGN="MIDDLE"
>&#13;         Adds a <TT
CLASS="literal"
>zval</TT
> container to the object. This is useful if you
         have to add properties which aren't simple types like integers or strings but
         arrays or other objects.
        </TD
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