How to Access Class Properties with Spaces in Object-Oriented Programming?

Mary-Kate Olsen
Release: 2024-10-18 15:39:03
Original
868 people have browsed it

How to Access Class Properties with Spaces in Object-Oriented Programming?

Accessing Class Properties with Spaces

In object-oriented programming, it is often desirable to access properties with names containing spaces. However, this can present challenges when attempting to retrieve these properties using traditional dot notation. Let's explore a solution to this issue.

Consider the following stdClass object:

<code class="php">$object = new stdClass();
$object->{'Sector'} = 'Manufacturing';
$object->{'Date Found'} = '2010-05-03 08:15:19';</code>
Copy after login

In this example, we have a property named "[Sector]" and another property named "[Date Found]". Accessing "[Sector]" using $object->Sector is straightforward. However, accessing "[Date Found]" using $object->{'Date Found'} is necessary due to the spaces in its name.

The reason for using curly braces around the property name when it contains spaces is that they allow us to treat the string as an expression and the value enclosed within as the property name. Without curly braces, the dot operator would only evaluate the characters before the first space.

This solution enables you to access class properties with spaces by using the following syntax:

<code class="php">$object->{'Property Name'}</code>
Copy after login

In the case of our example, you would access "[Date Found]" as follows:

<code class="php">$dateFound = $object->{'Date Found'};</code>
Copy after login

The above is the detailed content of How to Access Class Properties with Spaces in Object-Oriented Programming?. For more information, please follow other related articles on the PHP Chinese website!

source:php
Statement of this Website
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
Latest Articles by Author
Popular Tutorials
More>
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template
About us Disclaimer Sitemap
php.cn:Public welfare online PHP training,Help PHP learners grow quickly!