如何从字符串中获取前5个字符

How to get first 5 characters from string using php

如何使用php从字符串中获取前5个字符

$myStr = "HelloWordl";

result should be like this

结果应该是这样的。

$result = "Hello";

5 个解决方案

#1

376

For single-byte strings (e.g. US-ASCII, ISO 8859 family, etc.) use substr and for multi-byte strings (e.g. UTF-8, UTF-16, etc.) use mb_substr:

对于单字节字符串(如US-ASCII、ISO 8859系列等)，使用substr;对于多字节字符串(如UTF-8、UTF-16等)，使用mb_substr:

// singlebyte strings
$result = substr($myStr, 0, 5);
// multibyte strings
$result = mb_substr($myStr, 0, 5);

#2

Use substr():

使用substr():

$result = substr($myStr, 0, 5);

#3

An alternative way to get only one character.

只有一个字符的替代方法。

$str = 'abcdefghij';

echo $str{5};

#4

You can use the substr function like this:

可以使用substr函数如下:

echo substr($myStr, 0, 5);

The second argument to substr is from what position what you want to start and third arguments is for how many characters you want to return.

substr的第二个参数来自您想要开始的位置，第三个参数是您想返回多少字符。

#5

-2

You can get your result by simply use substr():

只需使用substr():

Syntax substr(string,start,length)

语法substr(字符串,首先,长度)

Example

例子

<?php
$myStr = "HelloWordl";
echo substr($myStr,0,5);
?>

Output :

输出:

 Hello

#1

376