# SoapHeader::__construct

(PHP 5, PHP 7, PHP 8)

SoapHeader::__construct — SoapHeader constructor

### 说明

public SoapHeader::__construct(
string `$namespace`,
string `$name`,
mixed `$data` = ?,
bool `$mustunderstand` = ?,
string `$actor` = ?
)

Constructs a new SoapHeader object.

### 参数

`namespace`

  The namespace of the SOAP header element.

`name`

  The name of the SoapHeader object.

`data`

  A SOAP header's content. It can be a PHP value or a SoapVar object.

`mustUnderstand`

  Value of the `mustUnderstand` attribute of the SOAP header element.

`actor`

  Value of the `actor` attribute of the SOAP header element.

### 示例

示例 #1 SoapHeader::__construct() example

`<?php
$client = new SoapClient(null, array('location' => "http://localhost/soap.php",
'uri' => "http://test-uri/"));
$client->__soapCall("echoVoid", null, null,
new SoapHeader('http://soapinterop.org/echoheader/',
'echoMeStringRequest',
'hello world'));
?>`

### 参见

- SoapClient::__soapCall() - Calls a SOAP function
- SoapVar::__construct() - SoapVar constructor
- SoapParam::__construct() - SoapParam constructor
- SoapServer::addSoapHeader() - Add a SOAP header to the response

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