str_increment
Increment an alphanumeric string
Description
string str_increment(string $string
)
Parameters
-
string
-
The input string.
Return Values
Returns the incremented alphanumeric ASCII string.
Errors/Exceptions
A ValueError is thrown if
string
is empty.
A ValueError is thrown if
string
is not an alphanumeric
ASCII string.
Examples
Example #1 Basic str_increment example
<?php
$str = 'ABC';
var_dump(str_increment($str));
?>
The above example will output:
Example #2 str_increment example with a carry
<?php
$str = 'DZ';
var_dump(str_increment($str));
$str = 'ZZ';
var_dump(str_increment($str));
?>
The above example will output:
string(2) "EA"
string(3) "AAA"