How to check the PHP version?

We have learned so much about PHP, but I don’t know how you check the PHP version. This article will lead you to check the PHP version more accurately. Come and learn together.

How to check the PHP version:

1. Use the php function phpinfo():

 echo phpinfo();
?>

Screenshot of the effect:

2. Enter php –v:

on the command line as shown below:

Note: PHP environment variables need to be configured

The steps to configure PHP environment variables are as follows:

①Right-click The "Computer" icon displays the following page:

② Click "Advanced System Settings" and the following page appears:

③Click "Environment Variables" and the following page will appear:

④Find the Path line and copy the PHP directory Just enter the small box (note: the added Path and the previous default Path need to be separated by English;):

My PHPPath: F:\zero_wampserver\wamp\bin\php\php5.5.12

(Just find the directory where php.exeis located)

⑤Click "OK" to complete the environment variable configuration.

3. Use the predefined constant PHP_VERSION to query:

 echo PHP_VERSION;
?>

Rendering:

④ Use the phpversion() function to query:

 echo phpversion();
?>

Rendering:

Related learning video sharing:php Video tutorial

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