composer 报错/usr/bin/env: php: No such file or director
php并未放在/usr/bin/env目录,  /opt/remi/php73/root/usr/bin
vi /etc/profile
//加上
export PATH=$PATH:/opt/remi/php73/root/usr/bin
保存退出

source /etc/profile
php -v

注：该配置对所有用户生效

find / -name php查找php安装目录