# PHP nl2br

**Published by:** [zero](https://paragraph.com/@zero-2/)
**Published on:** 2021-10-12
**URL:** https://paragraph.com/@zero-2/php-nl2br

## Content

(PHP 4, PHP 5, PHP 7, PHP 8) nl2br — 在字符串所有新行之前插入 HTML 换行标记说明nl2br(string $string, bool $is_xhtml = true): string 在字符串 string 所有新行之前插入 <br /> 或 <br>，并返回。参数string 输入字符串。 is_xhtml 是否使用 XHTML 兼容换行符。返回值返回调整后的字符串。范例示例 #1 nl2br() 使用范例 <?php echo nl2br("foo isn't\n bar"); ?> 以上例程会输出：foo isn't&#x3C;br /> bar

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