PHP 8.4.0 RC4 available for testing

str_decrement

(PHP 8 >= 8.3.0)

str_decrementDecrement an alphanumeric string

Açıklama

str_decrement(string $string): string

Returns the decremented alphanumeric ASCII string.

Bağımsız Değişkenler

string

The input string.

Dönen Değerler

Returns the decremented alphanumeric ASCII string.

Hatalar/İstisnalar

A ValueError is thrown if string is empty.

A ValueError is thrown if string is not an alphanumeric ASCII string.

A ValueError is thrown if string cannot be decremented. For example, "A" or "0".

Örnekler

Örnek 1 Basic str_decrement() example

<?php
$str
= 'ABC';
var_dump(str_decrement($str));
?>

Yukarıdaki örneğin çıktısı:

string(3) "ABB"

Örnek 2 str_decrement() example with a carry

<?php
$str
= 'ZA';
var_dump(str_decrement($str));

$str = 'AA';
var_dump(str_decrement($str));
?>

Yukarıdaki örneğin çıktısı:

string(2) "YZ"
string(1) "Z"

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