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PHP 编码规范(6)

Jun 13, 2016 am 10:20 AM
php one Same code Can exist Hierarchy show Comment of short coding indentation specification

4.2 单行注释

短注释可以显示在一行内,并与其后的代码具有一样的缩进层级。如果一个注释不能在一行内写完,就该采用块注释。单行注释之前应该有一个空行。以下是一个代码中单行注释的例子:


if (condition) {

  /* 以下代码运行的条件 */
  ...
}
4.3 尾端注释

极短的注释可以与它们所要描述的代码位于同一行,但是应该有足够的空白来分开代码和注释。若有多个短注释出现于大段代码中,它们应该具有相同的缩进。

以下是一个代码中尾端注释的例子:


if ($a == 2) {
  return TRUE; /* 对单一条件的说明 */
} else {
  return isPrime($a); /* 其余的条件 */
}


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