How to view PHP version information

PHP version control has always been a tricky issue, because the different versions lead to a lot of features can not be implemented very well, so when the program is uploaded to the space must be effective control of the version, so as to avoid unnecessary trouble to produce. So how do you check the current version of PHP? Here are two ways to help you check your PHP version. Using the Phpinfo () function, this function is used to display the PHP server configuration information, in your environment to create a PHP file, in the data below the code, and then the execution will print the following results, you can see clearly, your current version of PHP, PHP, Apache, MySQL and other configuration information. 　　 Phpinfo (); ?> Using the Phpsersion () function, the prototype of this function is a string phpversion (void); Returns a string that returns the PHP version information, creates a PHP file, enters the following code, You can see the version of PHP returned in the browser. 　　 Echo Phpversion (); ?>

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