This article provides a fix for the xdebug maximum function nesting level error, during installation.
During Magento installation, a message similar to the following displays:
PHP Fatal error: Maximum function nesting level of '100' reached, aborting! in <path>/ClassLoader.php
It is strongly recommended that you DO NOT USE
xdebug on a Production environment!
There is a known issue with
xdebug that can affect Magento installations or access to the storefront or Magento Admin after installation.
For details, see Known issue with xdebug.