How to solve the php mbsubstr garbled problem

Solution to php mbsubstr garbled code: First find php.ini in the windows directory; then find ";extension=php_mbstring.dll" and remove the preceding semicolon.

#The operating environment of this article: Windows7 system, PHP7.1, Dell G3 computer.

Solution to the problem of garbled Chinese characters intercepted by PHP Application of mb_substr function

Using mb_substr to intercept strings will not cause garbled characters, and experts can fly...

First of all

1. Make sure you have the php_mbstring.dll file under Windows/system32. If not, copy it from your Php installation directory extensions into Windows/system32. .

2. Find php.ini in the windows directory, open it for editing, search for mbstring.dll, find ;extension=php_mbstring.dll and remove the ; sign in front, so that the mb_substr function can take effect, and the mb_strcut function can also You can intercept the length of the string. Let’s see the difference in the following example:

The code is as follows:

<?php
$str = &#39;这样一来我的字符串就不会有乱码^_^&#39;;
echo "mb_substr:" . mb_substr($str, 0, 7, &#39;utf-8&#39;);
//结果：这样一来我的字
echo "<br>";
echo "mb_strcut:" . mb_strcut($str, 0, 6, &#39;utf-8&#39;);
//结果：这样
?>

As can be seen from the above example, mb_substr divides characters by words, while mb_strcut Characters are divided by bytes, but half characters will not be produced.

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