(PHP 8 >= 8.3.0)
str_increment — Increment an alphanumeric string
stringThe input string.
Returns the incremented alphanumeric ASCII string.
A ValueError is thrown if
string is empty.
A ValueError is thrown if
string is not an alphanumeric
ASCII string.
示例 #1 Basic str_increment() example
<?php
$str = 'ABC';
var_dump(str_increment($str));
?>以上示例会输出：
string(3) "ABD"
示例 #2 str_increment() example with a carry
<?php
$str = 'DZ';
var_dump(str_increment($str));
$str = 'ZZ';
var_dump(str_increment($str));
?>以上示例会输出：
string(2) "EA" string(3) "AAA"