Home > Article > Backend Development > What does construct mean in PHP?

What does construct mean in PHP?

藏色散人Original: 2021-12-31 10:57:372424browse

Construct in PHP refers to the __construct() function, which is used to create a new SimpleXMLElement object. Its syntax is "__construct(data, options, is_url, ns, is_prefix)".

The operating environment of this article: windows7 system, PHP7.1 version, DELL G3 computer

What does construct mean in PHP?

PHP __construct() function

#__construct() function creates a new SimpleXMLElement object.

If successful, the function returns an object. If failed, returns false.

Syntax

__construct(data,options,is_url,ns,is_prefix)

参数 
data必需。形式良好的 XML 字符串或 XML 文档的路径或 URL。
options可选。规定附加的 Libxml 参数。
is_url可选。规定 data 参数是否是 URL。默认是 false。
ns可选。
is_prefix可选。

Return value

Returns a SimpleXMLElement object representing the data.

Example

<?php
$xmlstring = <<<XML
<?xml version="1.0" encoding="ISO-8859-1"?>
<note>
<to>George</to>
<from>John</from>
<heading>Reminder</heading>
<body>Don&#39;t forget the meeting!</body>
</note>
XML;
$xml = new SimpleXMLElement($xmlstring);
echo $xml->body[0];
?>

Output is similar:

Don&#39;t forget the meeting!

Recommended learning: "PHP Video Tutorial"

The above is the detailed content of What does construct mean in PHP?. For more information, please follow other related articles on the PHP Chinese website!

php 对象

Statement：

The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn

Previous article：What does trim in php mean?Next article：What does trim in php mean?

See more

What does construct mean in PHP?

Related articles