PHP function wordwrap() that wraps strings according to the specified length-PHP Tutorial-php.cn

Home

Backend Development

PHP Tutorial

PHP function wordwrap() that wraps strings according to the specified length

黄舟

Nov 07, 2017 am 09:24 AM

phpstringconduct

Example

Wrap string according to the specified length:

<?php
$str = "An example of a long word is: Supercalifragulistic";
echo wordwrap($str,15,"<br>n");
?>

Definition and usage

wordwrap() function according to the specified length Wrap the string.

Note: This function may leave spaces at the beginning of lines.

Syntax

wordwrap(string,width,break,cut)

Parameters	Description
string	Required. Specifies the string to be wrapped.
width	Optional. Specifies the maximum line width. The default is 75.
break	Optional. Specifies the character used as a delimiter (string breaking character). The default is "\n".
cut	Optional. Specifies whether words larger than the specified width should be wrapped: FALSE - Default. No line wrapping TRUE - Line wrapping

##Technical details

Return value: If successful, the wrapped string is returned. On failure, returns FALSE. PHP Version: 4.0.2+In PHP 4.0.3, the cut parameter is added.

更多实例

实例 1

使用所有的参数：

<?php
$str = "An example of a long word is: Supercalifragulistic";
echo wordwrap($str,15,"<br>n",TRUE);
?>

实例 2

对字符串进行折行：

<?php
$str = "An example of a long word is: Supercalifragulistic";
echo wordwrap($str,15);
?>

上面代码的 HTML 输出如下（查看源代码）：

<!DOCTYPE html>
<html>
<body>
An example of a
long word is:
Supercalifragulistic
</body>
</html>

上面代码的浏览器输出如下：

An example of a long word is: Supercalifragulistic

wordwrap()函数可以按照指定的固定行长度格式化文本段落，让段落看起来更加整齐

<?php
$string = "TRADING ON MARGIN POSES ADDITIONAL
RISKS AND IS NOT SUITABLE FOR ALL
    INVESTORS.
A COMPLETE LIST OF THE RISKS ASSOCIATED WITH MARGIN TRADING IS
AVAILABLE IN THE MARGIN RISK DISCLOSURE DOCUMENT.";
$string = str_replace("\n", " ", $string);
$string = str_replace("\r", " ", $string);
print(wordwrap($string, 40)."\n");
?>

上面的代码返回如下结果

TRADING ON MARGIN POSES ADDITIONAL
RISKS AND IS NOT SUITABLE FOR ALL
INVESTORS. A COMPLETE LIST OF THE
RISKS ASSOCIATED WITH MARGIN TRADING IS
AVAILABLE IN THE MARGIN RISK DISCLOSURE
DOCUMENT.



Change Log:

The above is the detailed content of PHP function wordwrap() that wraps strings according to the specified length. For more information, please follow other related articles on the PHP Chinese website!

Statement

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

php怎么将16进制字符串转为数字Oct 26, 2021 pm 06:36 PM

php将16进制字符串转为数字的方法：1、使用hexdec()函数，语法“hexdec(十六进制字符串)”；2、使用base_convert()函数，语法“bindec(十六进制字符串, 16, 10)”。

php怎么将字符串转换成小数Mar 22, 2023 pm 03:22 PM

PHP 是一门功能强大的编程语言，广泛应用于 Web 开发领域。其中一个非常常见的情况是需要将字符串转换为小数。这在进行数据处理的时候非常有用。在本文中，我们将介绍如何在 PHP 中将字符串转换为小数。

golang怎么检测变量是否为字符串Jan 06, 2023 pm 12:41 PM

检测变量是否为字符串的方法：1、利用“%T”格式化标识，语法“fmt.Printf("variable count=%v is of type %T \n", count, count)”；2、利用reflect.TypeOf()，语法“reflect.TypeOf(变量)”；3、利用reflect.ValueOf().Kind()检测；4、使用类型断言，可以对类型进行分组。

php 字符串长度不一致怎么办Feb 07, 2023 am 09:58 AM

php字符串长度不一致的解决办法：1、通过mb_detect_encoding()函数查看字符串的编码方式；2、通过mb_strlen函数查看具体字符长度；3、使用正则表达式“preg_match_all('/[\x{4e00}-\x{9fff}]+/u', $str1, $matches);”剔除非中文字符即可。

go语言怎么删除字符串中的空格Jan 17, 2023 pm 02:31 PM

删除方法：1、使用TrimSpace()函数去除字符串左右两边的空格，语法“strings.TrimSpace(str)”；2、使用Trim()函数去除字符串左右两边的空格，语法“strings.Trim(str, " ")”；3、使用Replace()函数去除字符串的全部空格，语法“strings.Replace(str, " ", "", -1)”。

php字符串函数学习：怎么去掉前面的字符Mar 20, 2023 pm 02:33 PM

在开发PHP应用程序时，有时我们需要去掉字符串前面的某些特定字符或者字符串。在这种情况下，我们需要使用一些PHP函数来实现这一目标。本文将介绍一些PHP函数，帮助您轻松地去掉字符串前面的字符或字符串。

php怎么将字符串转为布尔类型Jul 01, 2021 pm 06:36 PM

转换方法：1、在转换变量前加上用括号括起来的目标类型“(bool)”或“(boolean)”；2、用boolval()函数，语法“boolval(字符串)”；3、用settype()函数，语法“settype(变量,"boolean")”。

php字符串部分乱码怎么办Jan 20, 2023 am 10:18 AM

php字符串部分乱码的解决办法：1、使用“mb_substr(strip_tags($str),0,-1,'UTF-8');”截取字符串；2、使用“iconv("UTF-8","GB2312//IGNORE",$data)”转换字符集即可。

See all articles

Hot AI Tools

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress images for free

Clothoff.io

AI clothes remover

AI Hentai Generator

Generate AI Hentai for free.

Hot Article

R.E.P.O. Energy Crystals Explained and What They Do (Yellow Crystal)

2 weeks agoBy尊渡假赌尊渡假赌尊渡假赌

Repo: How To Revive Teammates

1 months agoBy尊渡假赌尊渡假赌尊渡假赌

Hello Kitty Island Adventure: How To Get Giant Seeds

4 weeks agoBy尊渡假赌尊渡假赌尊渡假赌

How Long Does It Take To Beat Split Fiction?

3 weeks agoByDDD

R.E.P.O. Save File Location: Where Is It & How to Protect It?

3 weeks agoByDDD

Hot Tools

SAP NetWeaver Server Adapter for Eclipse

Integrate Eclipse with SAP NetWeaver application server.

MinGW - Minimalist GNU for Windows

This project is in the process of being migrated to osdn.net/projects/mingw, you can continue to follow us there. MinGW: A native Windows port of the GNU Compiler Collection (GCC), freely distributable import libraries and header files for building native Windows applications; includes extensions to the MSVC runtime to support C99 functionality. All MinGW software can run on 64-bit Windows platforms.

VSCode Windows 64-bit Download

A free and powerful IDE editor launched by Microsoft

MantisBT

Mantis is an easy-to-deploy web-based defect tracking tool designed to aid in product defect tracking. It requires PHP, MySQL and a web server. Check out our demo and hosting services.

mPDF

mPDF is a PHP library that can generate PDF files from UTF-8 encoded HTML. The original author, Ian Back, wrote mPDF to output PDF files "on the fly" from his website and handle different languages. It is slower than original scripts like HTML2FPDF and produces larger files when using Unicode fonts, but supports CSS styles etc. and has a lot of enhancements. Supports almost all languages, including RTL (Arabic and Hebrew) and CJK (Chinese, Japanese and Korean). Supports nested block-level elements (such as P, DIV),

Hot Topics

Where is the login entrance for gmail email?

7338

1627

1352

1265

1210