PHP strspn() Function
Example
Return the number of characters in the string "Hello world!" that contain the character "kHlleo":
<?php
echo strspn("Hello world!","kHlleo");
?>
Definition and Usage
strspn() function returns the number of characters in the string that contain charlist The number of characters specified in the parameter.
Tips:Please use strcspn() The function returns the number of characters in the string before finding any specified character.
Comments:This function is binary safe.
Syntax
strspn(string,charlist,start,length)
| Parameters | Description |
|---|---|
| string | Required. Specify the string to be searched. |
| charlist | Required. Specify the characters to be searched for. |
| start | Optional. Specify where to start in the string. |
| length | Optional. Define the length of the string. |
Technical Details
| Return Value: | Return the number of characters in the string that contain charlist The number of characters specified in the parameter. |
| PHP Version: | 4+ |
| Update Log: | In PHP 4.3, a new feature was added: start and length Parameters. |
More Examples
Example 1
Return the number of characters in the string "abcdefand" that contain the character "abc":
<?php
echo strspn("abcdefand","abc");
?>
