Strripos () function
Definition and usage
The strripos () function is used to locate the last occurrence of a string in another string.
If the operation is successful, the location is returned. Otherwise, false is returned.
Syntax
Strrpos (string, find, start)
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. |
Tips and comments
Note: This function is case insensitive.
Example:
Copy codeThe Code is as follows:
<? Php
Echo strripos ("Hello world! "," WO ");
?>
Output: 6
Strrpos () function
Definition and usage
The strrpos () function is used to locate the last occurrence of a string in another string.
If the operation is successful, the location is returned. Otherwise, false is returned.
Syntax
Strrpos (string, find, start)
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. |
Tips and comments
Note: This function is case sensitive. Use strripos () to perform case-insensitive searches ().
Example
Copy codeThe Code is as follows:
<? Php
Echo strrpos ("Hello world! "," Wo ");
?>
Output:
6
Use strrpos to verify whether the link is an http Link
Copy codeThe Code is as follows:
<? Php
$ Url = "http://www.baidu.com ";
If (strrpos ($ url, 'HTTP ://')! = 0)
Echo "link for http ";
?>