使用不同php版本执行composer命令

服务器上装了两个php版本： $ php -v PHP 7.4.13 (cli) (built: Nov 28 2020 06:24:59) ( NTS ) Copyright (c) The PHP Group Zend Engine v3.4.0, Copyright (c) Zend Technologies with Zend OPcache v7.4.13, Copyright (c), by Zend Technologies 以及： $ php8.0 -v PHP 8.0.0 (cli) (built: Nov 27 2020 12:26:22) ( NTS ) Copyright (c) The PHP Group Zend Engine v4.0.0-dev, Copyright (c) Zend Technologies with Zend OPcach...