PHP Warning: PHP Startup: Unable to load dynamic library 'php_igbinary.dll'

PHP Warning: PHP Startup: Unable to load dynamic library ‘php_igbinary.dll’ (tried: D:\xampp\php\ext\php_igbinary.dll (找不到指定的模塊。), 在安裝composer時發現的報錯 應該就是 php.ini中有添加extension=php_igbinary.dll，但是（安裝目錄）

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