composer cannot be installed

##composer cannot be installed?

Solution:

1 , Open the openssl extension of php

You can open the openssl extension directly in the wamp manager, you can also use the php command to open the extension, or you can open the extension by modifying php.ini and restarting.

The following is an example of the command to open the extension:

You can use the following command line to determine the php.ini file path used by php on the command line:

php –ini

Then Use the following command to determine whether the php_openssl.dll extension is opened:

php -i | findstr /I /N “openssl”

If the output string contains openssl information, it means that openssl is opened successfully; otherwise, please change the php.ini file and open the php_openssl.dll extension.

2. Download the installer file, open the link through the browser: getcomposer.org/installer, download the following file to d:\software\composer, the file name is

composer_installer.phar

3. Enter the command Install composer:

php composer_installer.phar

Installation success interface

If the installation is successful, run php composer.phar -v to view the version information of composer

More technical articles on composer use , please visit the

composer tutorial column!

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