str_increment

(PHP 8 >= 8.3.0)

str_incrementIncrement an alphanumeric string

Description

str_increment(string $string): string

Returns the incremented alphanumeric ASCII 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:

string(3) "ABD"

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"

See Also

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