Win7 installing composer Failed to decode Zlib stream

Today to learn PHP when you want to install composer, just started to use the EXE file installation method, but installed several times have not been installed successfully, such as:

There may be some other errors, so here I changed a way to install, is to manually install composer, the method is as follows:

The first step:

Download file, Address: https://getcomposer.org/download/

Remember to download Phar files, such as:

This is where the downloaded files are placed in the PHP directory.

Step Two:

Create a new Composer.bat file and write the contents in it:

@ECHO OFF   php "%~dp0composer.phar"%*  

　　

Then double-click Execute this file.
Step Three:

If your PHP has been configured with environment variables to skip, if not please configure the PHP directory to the environment variable

Fourth Step:

Open the cmd window input composer-v, test the installation results, if you see the installation succeeded as shown:

Win7 installing composer Failed to decode Zlib stream