2. PRE-REQUIREMENT FOR TROUBLESHOOTING
PHP extension error
check “composer” on your system first open command prompt and type
“composer”,
PHP Extension error installing During Magento 2
If you seen “composer is not recognized as an internal or External command”
so you need install getComposer.exe .
3.
4. OR
if you see screen like “you are running with xdebug enabled this has a major impact on runtime performance.”
5. So composer is already in your system. Go for troubleshooting.
when you start installation for magento 2 (http://localhost/your-magento-folder/setup)
if your current setting does not match on magento 2 required like some PHP Extensions disabled or not working
then you will see below error screen
6. Step-1: Open php.ini (D:/wamp/bin/php/ php5.5.12/php.ini) file and find,
Step-2:and comment(;) this
Step-3: Restart wampserver and check again.
