How to replace the last character in php

php method to replace the last character: first create a PHP sample file; then use the regular expression "preg_replace('#.$#i', '0', $image_path);" to replace the last character of the string Just replace it.

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The operating environment of this tutorial: Windows 7 system, PHP version 5.6, This method works for all brands of computers.

php method to replace the last character:

PHP intercepts the last character of the string and replaces it

The code is as follows:

$image_path = 'http://www.baidu.com/1';

$str = preg_replace('#.$#i', '0', $image_path);The content to be replaced in the second parameter

Change 1 to 0

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