What are the description requirements for function licenses in the PHP function documentation specification?

Requirements for function licenses in PHP function documentation include: clearly stating the license type (such as MIT, BSD, GPL), providing a link to the license text or including it directly in the document, and indicating the license of third-party library dependencies License types and provide links, and for functions with multiple licenses, detailing the license type for each section.

The description of the function license in the PHP function documentation writing specification

The description of the function license in the PHP function documentation writing specification The description has the following requirements:

• The license type must be explicitly stated. Common license types include MIT, BSD, GPL, etc.
• Provide a link to the license text or include the text directly in the document. It is convenient for users to check the detailed information of the license.
• If the function depends on a third-party library, you need to indicate the license type of the library and provide a link.
• If a function contains multiple licenses, you need to specify the license type for each part.

Practical case

The following is an example of a function document showing how to correctly describe a function license:

/**
 * 获取当前时间戳
 *
 * @return int 当前时间戳
 *
 * @license MIT
 * @see https://opensource.org/licenses/MIT
 */
function get_timestamp(): int {
    return time();
}

In this example:

• The function license type is declared as MIT.
• A text link to the MIT License is provided.

By following these specifications, you can create clear and readable function documentation so that other developers can easily understand the function's licensing conditions.

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