upgrade-all: Package community/Lib_Varien 1.9.4.5 depends on PHP extensions: Array

The following error is printed on Magento upgrade via Connect Manager or ./mage CLI tool:

upgrade-all: Package community/Lib_Varien 1.9.4.5 depends on PHP extensions: Array

Cause

Most likely, mcrypt extension is missing in your PHP stack. You can get list of all installed PHP extensions on your server with php -m CLI command or get_loaded_extensions() function:

$ php -r "print_r(get_loaded_extensions());"
$ php -m

The list of all dependencies for Lib_Varien is defined in package.xml file of this package:

<dependencies>
  <required>
    <php>
      <min>5.4.0</min>
      <max>7.2.99</max>
    </php>
    <package>
      <name>Lib_ZF</name>
      <channel>community</channel>
      <min>1.12.10.21</min>
      <max>1.12.10.21</max>
    </package>
    <extension>
      <name>PDO</name>
    </extension>
    <extension>
      <name>SPL</name>
    </extension>
    <extension>
      <name>curl</name>
    </extension>
    <extension>
      <name>SimpleXML</name>
    </extension>
    <extension>
      <name>dom</name>
    </extension>
    <extension>
      <name>gd</name>
    </extension>
    <extension>
      <name>iconv</name>
    </extension>
    <extension>
      <name>pdo_mysql</name>
    </extension>
    <extension>
      <name>mcrypt</name>
    </extension>
    <extension>
      <name>pcre</name>
    </extension>
    <extension>
      <name>Reflection</name>
    </extension>
    <extension>
      <name>session</name>
    </extension>
  </required>
</dependencies>

Solution

You can find which PHP extension is missing in your case with something like the following:

(output=$(php -m); for extension in PDO SPL curl SimpleXML dom gd iconv pdo_mysql mcrypt pcre Reflection session; do echo -e "$output" | grep -q "^$extension" || echo $extension; done)

and install all required extensions with phpenmod command. For mcrypt extension it will take a bit longer as for PHP 7.2 the extension is in PECL repository and should be installed as a PECL package.

Posted in: Magento Connect