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Are there any taboos on function naming in PHP?

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Release: 2024-04-19 18:48:02
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PHP function naming taboos include: Avoid using reserved keywords such as __construct. Use lowercase letters and underlines, as in calculate_average(). The function name should reflect its purpose, such as get_user_by_id(). Be consistent, such as using prefixes or suffixes to indicate function types, such as calculate_ or _for_csv. Avoid abbreviations or jargon and use clear terms.

在 PHP 中,函数命名是否存在禁忌?

Taboos in function naming in PHP

In PHP, function naming does not have strict rules like variable naming, but for To write maintainable and readable code, it is recommended to adhere to the following guidelines:

  • Avoid using reserved keywords: __construct, __destruct Reserved keywords such as , __toString should be used only for language-built-in purposes.
  • Use lowercase letters and underline: By convention, function names should be all lowercase, with words separated by underscores, for example calculate_average().
  • Reflect the purpose of the function: The function name should clearly describe the operation performed by the function, such as get_user_by_id().
  • Maintain consistency: Use a prefix or suffix to indicate the type of function, such as calculate_ or _for_csv.
  • Avoid abbreviations or jargon: Use clear terminology And avoid using abbreviations or jargon that only insiders will understand.

Practical Example:

// 示例 1:清晰且有意义的函数名
function get_total_sales_by_customer_id($customer_id) {
    // 获取指定客户的总销售额
}

// 示例 2:避免使用保留关键字
function __get_average_score() {
    // 这会抛出一个错误,因为 __get 是一个保留关键字
}

// 示例 3:使用小写字母和下划线
function calculate_monthly_revenue() {
    // 获取每月收入
}
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By following these guidelines, you can write clearer, more maintainable PHP code.

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