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!