How to get the PHP version- How to get the PHP Version?

problem ：

Is there a way to check the version of PHP that executed a particular script from within that script? Is there any way to check the execution of a specific script from this script PHP edition ？So for example, the following snippet for example , The following code snippet

$version = way_to_get_version();print $version;

would print 5.3.0 on one machine, and 5.3.1 on another machine. Will print on one machine 5.3.0, Print on another machine 5.3.1.

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Solution ：

Reference resources ： https://stackoom.com/en/question/8rw3