helper
PHP常用方法
Installation
The preferred way to install this extension is through composer.
Either run
php composer.phar require --prefer-dist colee/helpers "*"
or add
"colee/helpers": "*"
to the require section of your composer.json file.
Usage
Once the extension is installed, simply use it in your code by :
<?= \colee\helpers\Format::substr($str, $length); ?>```