[linux]could not be found in rpmdb

遇到問題
Setting up Upgrade Process
Error: Package tuple ('openssl-devel', 'x86_64', '0', '1.0.1e', '42.el6_7.4') could not be found in rpmdb

解決方式

1、yum clean all

2、rpmdb --rebuilddb

[php]使用EOT內要加入變數使用的方式

$text="Jordan";

echo <<<EOT

    Hello {$text}

EOT;