Solve\\"Parse error: syntax error, unexpected\\" error problem record

When Snail tested the source code of the online SpeedTest program on the server today, the installation was quite simple. As long as it was based on the WEB environment, the program could be installed and downloaded directly from GITHUB. Here I randomly found a test server at hand, but after installation, I found an error message. All other information was correct, but the current IP address could not be obtained.

Here we see the error \\"IP Address: Parse error: syntax error, unexpected \\\'[\\', expecting \\')\\' in …../speedtest/getIP.php on line twenty four \\". There should be no problem with the program because there are official cases where it can be opened and used. It may be a problem with the current PHP version, because when debugging a program at the same time, PHP can only support PHP5.3. It is estimated that the version is low, so I increased the PHP version to PHP7.0.

In the end, the problem must be solved like this.

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