php-doc-en/functions/com.xml
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<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.22 $ -->
<reference id="ref.com">
<title>COM support functions for Windows</title>
<titleabbrev>COM</titleabbrev>
<partintro>
<simpara>
COM functions are only available on the Windows version of
PHP. These functions have been added in PHP 4.
</simpara>
</partintro>
<refentry id="class.com">
<refnamediv>
<refname>COM</refname>
<refpurpose>COM class</refpurpose>
</refnamediv>
<refsynopsisdiv>
<synopsis>$obj = new <classname>COM</classname>("server.object")</synopsis>
</refsynopsisdiv>
<refsect1 id="class.com.class">
<title>Description</title>
<simpara>
The COM class provides a framework to integrate (D)COM components into
your php scripts.
</simpara>
</refsect1>
<refsect1 id="class.com.constructor">
<title>Methods</title>
<funcsynopsis>
<funcprototype>
<funcdef>string <function>COM::COM</function></funcdef>
<paramdef>string <parameter>module_name</parameter></paramdef>
<paramdef>string <parameter><optional>server_name</optional></parameter></paramdef>
<paramdef>int <parameter><optional>codepage</optional></parameter></paramdef>
</funcprototype>
</funcsynopsis>
<para>
COM class constructor. Parameters:
<variablelist>
<varlistentry><term>module_name</term>
<listitem>
<simpara>
name or class-id of the requested component.
</simpara>
</listitem>
</varlistentry>
<varlistentry><term>server_name</term>
<listitem>
<simpara>
name of the DCOM server from which the component should be fetched.
If &null;, <literal>localhost</literal> is assumed.
To allow DCOM <constant>com.allow_dcom</constant> has to be set to
&true; in <filename>php.ini</filename>.
</simpara>
</listitem>
</varlistentry>
<varlistentry><term>codepage</term>
<listitem>
<simpara>
specifies the codepage that is used to convert php-strings to
unicode-strings and vice versa. Possible values are
<constant>CP_ACP</constant>, <constant>CP_MACCP</constant>,
<constant>CP_OEMCP</constant>, <constant>CP_SYMBOL</constant>,
<constant>CP_THREAD_ACP</constant>, <constant>CP_UTF7</constant>
and <constant>CP_UTF8</constant>.
</simpara>
</listitem>
</varlistentry>
</variablelist>
</para>
<para>
<example id="example.com1">
<title>COM example (1)</title>
<programlisting role="php">
// starting word
$word = new COM("word.application") or die("Unable to instanciate Word");
print "Loaded Word, version {$word->Version}\n";
//bring it to front
$word->Visible = 1;
//open an empty document
$word->Documents->Add();
//do some weird stuff
$word->Selection->TypeText("This is a test...");
$word->Documents[1]->SaveAs("Useless test.doc");
//closing word
$word->Quit();
//free the object
$word->Release();
$word = null;
</programlisting>
</example>
</para>
<para>
<example id="example.com2">
<title>COM example (2)</title>
<programlisting role="php">
$conn = new COM("ADODB.Connection") or die("Cannot start ADO");
$conn->Open("Provider=SQLOLEDB; Data Source=localhost;
Initial Catalog=database; User ID=user; Password=password");
$rs = $conn->Execute("SELECT * FROM sometable"); // Recordset
$num_columns = $rs->Fields->Count();
echo $num_columns . "\n";
for ($i=0; $i &lt; $num_columns; $i++)
{
$fld[$i] = $rs->Fields($i);
}
$rowcount = 0;
while (!$rs->EOF)
{
for ($i=0; $i &lt; $num_columns; $i++)
{
echo $fld[$i]->value . "\t";
}
echo "\n";
$rowcount++; // increments rowcount
$rs->MoveNext();
}
$rs->Close();
$conn->Close();
$rs->Release();
$conn->Release();
$rs = null;
$conn = null;
</programlisting>
</example>
</para>
</refsect1>
</refentry>
<refentry id="class.variant">
<refnamediv>
<refname>VARIANT</refname>
<refpurpose>VARIANT class</refpurpose>
</refnamediv>
<refsynopsisdiv>
<synopsis>$vVar = new <classname>VARIANT</classname>($var)</synopsis>
</refsynopsisdiv>
<refsect1 id="class.variant.class">
<title>Description</title>
<simpara>
A simple container to wrap variables into VARIANT structures.
</simpara>
</refsect1>
<refsect1 id="class.variant.constructor">
<title>Methods</title>
<funcsynopsis>
<funcprototype>
<funcdef>string <function>VARIANT::VARIANT</function></funcdef>
<paramdef>mixed <parameter><optional>value</optional></parameter></paramdef>
<paramdef>int <parameter><optional>type</optional></parameter></paramdef>
<paramdef>int <parameter><optional>codepage</optional></parameter></paramdef>
</funcprototype>
</funcsynopsis>
<para>
VARIANT class constructor. Parameters:
<variablelist>
<varlistentry><term>value</term>
<listitem>
<simpara>
initial value. if omitted an VT_EMPTY object is created.
</simpara>
</listitem>
</varlistentry>
<varlistentry><term>type</term>
<listitem>
<simpara>
specifies the content type of the VARIANT object. Possible values are
<constant>VT_UI1</constant>, <constant>VT_UI2</constant>, <constant>VT_UI4</constant>,
<constant>VT_I1</constant>, <constant>VT_I2</constant>, <constant>VT_I4</constant>,
<constant>VT_R4</constant>, <constant>VT_R8</constant>, <constant>VT_INT</constant>, <constant>VT_UINT</constant>,
<constant>VT_BOOL</constant>, <constant>VT_ERROR</constant>, <constant>VT_CY</constant>,
<constant>VT_DATE</constant>, <constant>VT_BSTR</constant>, <constant>VT_DECIMAL</constant>,
<constant>VT_UNKNOWN</constant>, <constant>VT_DISPATCH</constant> and <constant>VT_VARIANT</constant>. These values are
mutual exclusive, but they can be combined with <constant>VT_BYREF</constant> to specify beeing a value. If omitted,
the type of <parameter>value</parameter> is used. Consult the msdn library for additional information.
</simpara>
</listitem>
</varlistentry>
<varlistentry><term>codepage</term>
<listitem>
<simpara>
specifies the codepage that is used to convert php-strings to
unicode-strings and vice versa. Possible values are
<constant>CP_ACP</constant>, <constant>CP_MACCP</constant>,
<constant>CP_OEMCP</constant>, <constant>CP_SYMBOL</constant>,
<constant>CP_THREAD_ACP</constant>, <constant>CP_UTF7</constant>
and <constant>CP_UTF8</constant>.
</simpara>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
</refentry>
<refentry id="function.com-load">
<refnamediv>
<refname>com_load</refname>
<refpurpose>
Creates a new reference to a COM component
</refpurpose>
</refnamediv>
<refsect1>
<title>Description</title>
<funcsynopsis>
<funcprototype>
<funcdef>string <function>com_load</function></funcdef>
<paramdef>string <parameter>module name</parameter></paramdef>
<paramdef>string
<parameter>
<optional>server name</optional>
</parameter>
</paramdef>
<paramdef>int
<parameter>
<optional>codepage</optional>
</parameter>
</paramdef>
</funcprototype>
</funcsynopsis>
<para>
<function>com_load</function> creates a new COM component and
returns a reference to it. Returns &false; on
failiure.Possible values for <parameter>codepage</parameter> are
<constant>CP_ACP</constant>, <constant>CP_MACCP</constant>,
<constant>CP_OEMCP</constant>, <constant>CP_SYMBOL</constant>,
<constant>CP_THREAD_ACP</constant>, <constant>CP_UTF7</constant>
and <constant>CP_UTF8</constant>.
</para>
</refsect1>
</refentry>
<refentry id="function.com-invoke">
<refnamediv>
<refname>com_invoke</refname>
<refpurpose>
Calls a COM component's method.
</refpurpose>
</refnamediv>
<refsect1>
<title>Description</title>
<funcsynopsis>
<funcprototype>
<funcdef>mixed <function>com_invoke</function></funcdef>
<paramdef>resource <parameter>com_object</parameter></paramdef>
<paramdef>string <parameter>function_name</parameter></paramdef>
<paramdef>mixed
<parameter>
<optional>function parameters, ...</optional>
</parameter>
</paramdef>
</funcprototype>
</funcsynopsis>
<para>
<function>com_invoke</function> invokes a method of the COM
component referenced by
<parameter>com_object</parameter>. Returns
&false; on error, returns the
<parameter>function_name</parameter>'s return value on success.
</para>
</refsect1>
</refentry>
<refentry id="function.com-propget">
<refnamediv>
<refname>com_propget</refname>
<refpurpose>
Gets the value of a COM Component's property
</refpurpose>
</refnamediv>
<refsect1>
<title>Description</title>
<funcsynopsis>
<funcprototype>
<funcdef>mixed <function>com_propget</function></funcdef>
<paramdef>resource <parameter>com_object</parameter></paramdef>
<paramdef>string <parameter>property</parameter></paramdef>
</funcprototype>
</funcsynopsis>
<para>
This function is an alias for <function>com_get</function>.
</para>
</refsect1>
</refentry>
<refentry id="function.com-get">
<refnamediv>
<refname>com_get</refname>
<refpurpose>
Gets the value of a COM Component's property
</refpurpose>
</refnamediv>
<refsect1>
<title>Description</title>
<funcsynopsis>
<funcprototype>
<funcdef>mixed <function>com_get</function></funcdef>
<paramdef>resource <parameter>com_object</parameter></paramdef>
<paramdef>string <parameter>property</parameter></paramdef>
</funcprototype>
</funcsynopsis>
<para>
Returns the value of the <parameter>property</parameter> of the
COM component referenced by <parameter>com_object</parameter>.
Returns &false; on error.
</para>
</refsect1>
</refentry>
<refentry id="function.com-propput">
<refnamediv>
<refname>com_propput</refname>
<refpurpose>
Assigns a value to a COM component's property
</refpurpose>
</refnamediv>
<refsect1>
<title>Description</title>
<funcsynopsis>
<funcprototype>
<funcdef>void <function>com_propput</function></funcdef>
<paramdef>resource <parameter>com_object</parameter></paramdef>
<paramdef>string <parameter>property</parameter></paramdef>
<paramdef>mixed <parameter>value</parameter></paramdef>
</funcprototype>
</funcsynopsis>
<para>
This function is an alias for <function>com_set</function>.
</para>
</refsect1>
</refentry>
<refentry id="function.com-propset">
<refnamediv>
<refname>com_propset</refname>
<refpurpose>
Assigns a value to a COM component's property
</refpurpose>
</refnamediv>
<refsect1>
<title>Description</title>
<funcsynopsis>
<funcprototype>
<funcdef>void <function>com_propset</function></funcdef>
<paramdef>resource <parameter>com_object</parameter></paramdef>
<paramdef>string <parameter>property</parameter></paramdef>
<paramdef>mixed <parameter>value</parameter></paramdef>
</funcprototype>
</funcsynopsis>
<para>
This function is an alias for <function>com_set</function>.
</para>
</refsect1>
</refentry>
<refentry id="function.com-set">
<refnamediv>
<refname>com_set</refname>
<refpurpose>
Assigns a value to a COM component's property
</refpurpose>
</refnamediv>
<refsect1>
<title>Description</title>
<funcsynopsis>
<funcprototype>
<funcdef>void <function>com_set</function></funcdef>
<paramdef>resource <parameter>com_object</parameter></paramdef>
<paramdef>string <parameter>property</parameter></paramdef>
<paramdef>mixed <parameter>value</parameter></paramdef>
</funcprototype>
</funcsynopsis>
<para>
Sets the value of the <parameter>property</parameter> of the COM
component referenced by <parameter>com_object</parameter>.
Returns the newly set value if succeeded, &false; on error.
</para>
</refsect1>
</refentry>
<refentry id="function.com-addref">
<refnamediv>
<refname>com_addref</refname>
<refpurpose>
Increases the components reference counter.
</refpurpose>
</refnamediv>
<refsect1>
<title>Description</title>
<funcsynopsis>
<funcprototype>
<funcdef>void <function>com_addref</function></funcdef>
<void/>
</funcprototype>
</funcsynopsis>
<para>
Increases the components reference counter.
</para>
</refsect1>
</refentry>
<refentry id="function.com-release">
<refnamediv>
<refname>com_release</refname>
<refpurpose>
Decreases the components reference counter.
</refpurpose>
</refnamediv>
<refsect1>
<title>Description</title>
<funcsynopsis>
<funcprototype>
<funcdef>void <function>com_release</function></funcdef>
<void/>
</funcprototype>
</funcsynopsis>
<para>
Decreases the components reference counter.
</para>
</refsect1>
</refentry>
</reference>
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