How to include characters in php

Today, the editor will share with you the relevant knowledge about how to include characters in php. The content is detailed and the logic is clear. I believe most people still know too much about this knowledge, so share this article for your reference. I hope you can get something after reading this article. Let's take a look at it.

1. Function description

The strpos function returns a Boolean value. Strpos executes faster than other functions. In addition, strpos has a judgment position specified by the parameter, but it is empty by default. It means to judge the whole string. The disadvantage is that the support for Chinese is not good.

2. Grammar

Strpos (string,find,start)

3. Parameters

String

Find

Start

4. Return value

Returns the Boolean value.

5. Examples

If (strpos ('www.jb51.net','jb51')! = = false) {echo' contains jb51';} else {echo 'does not contain jb51';} above is all the content of the article "how to include characters in php". Thank you for reading! I believe you will gain a lot after reading this article. The editor will update different knowledge for you every day. If you want to learn more knowledge, please pay attention to the industry information channel.