Definition and usage of php string function stripos ()

The stripos () function is used to locate the first occurrence of a string in another string. it is case-insensitive. Easy to use What is the role of the php string function stripos?

The stripos () function is used to locate the first occurrence of a string in another string. it is case-insensitive. It is very convenient to use, and its related functions include:

• Strripos ()-locate the last occurrence of a string in another string (case insensitive)

• Strpos ()-searches for the position of the string that appears for the first time in another string (case sensitive)

• Strrpos ()-locate the last occurrence of a string in another string (case sensitive)

Let's take a look at it.Stripos () function syntax

stripos(string,find,start)

This function has three parameters. The first two parameters are required, and the third parameter is optional.

Parameters	Description
String	Required. Specifies the string to be searched.
Find	Required. Specifies the characters to be searched.
Start	Optional. Specifies the location where the search starts.

Return value of stripos () function

The stripos () function returns the position where the string first appears in another string. If no string is found, FALSE is returned. The string position starts from 0, not from 1.

The following is an example of the stripos () function. the code is as follows:

Code running result:

[Recommended related articles]

Php strpos () function example

Php string function strripos () instance details

Strrpos ()

The above is the detailed definition and usage of php string function stripos (). For more information, see other related articles in the first PHP community!