Basic php Tutorial strrpos function usage tutorial

The usage of strrpos and strripos is the same. Let's take a look.

Definition and usage
TheStrrpos() The function determines whether find will appear in the string.

If this function is successful, otherwise FALSE is returned.

StrrposSyntax

Strrpos (string, find, start)
String: required. String search

Find: required. Find the specified string

Start: Optional. Specify where to start searching

Note: The strrpos () function is case sensitive.

<? Php
Echo strrpos ("Hello world! "," Wo ");
?>
The output result is 6.
Let's look at another example.
<? Php
Echo strrpos ("WWW.111CN. CN! "," Cn ");
?>
The output is 0.
Do you know why? The difference between strrpos and strripos is small.