How to check if php is installed

View method: 1. Directly use echo to output the phpinfo() function, with the syntax "echo phpinfo();"; if configuration information about PHP is returned, php is installed. 2. Directly use echo to output the phpversion() function. If the PHP version number is returned, php is installed.

The operating environment of this tutorial: windows7 system, PHP7.1 version, DELL G3 computer

View method 1: Use phpinfo( )Function

Directly output phpinfo() function

<?php
echo phpinfo();
?>

If configuration information about PHP is returned, php is installed.

View method 2: Use the phpversion() function

is also directly output

<?php
header("content-type:text/html;charset=utf-8");
echo "当前PHP的版本为：".phpversion();
?>

If it returns to PHP version number, install php.

Recommended study: "PHP Video Tutorial"

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