How to get the first few bits of text by php
This article will explain in detail how php obtains the first few words for you. The editor thinks it is very practical, so I share it for you as a reference. I hope you can get something after reading this article.
In PHP, you can use the "mb_substr" function to get the first few bits of the text, this function is used to return part of the string, often used to split Chinese text, by setting parameters can return the first few bits of the text string, the syntax is "mb_substr (" text ", 0, the first few digits)".
Operating environment of this tutorial: windows10 system, PHP7.1 version, DELL G3 computer
How to get the first few bits of text by php
The mb_substr () function returns a portion of the string. We learned about the substr () function before, which is only for English characters. If you want to split the Chinese text, you need to use mb_substr ().
Note: if the start parameter is negative and length is less than or equal to start, length is 0.
Grammar
Mb_substr (string $str, int $start [, int $length = NULL [, string $encoding = mb_internal_encoding ()]]): string
The parameter settings are as follows:
The result returned is the extracted part of the string, or FALSE if it fails, or an empty string.
Examples are as follows:
Output result:
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